electricity production in a fuel cell begins with reaction. flow across the electrode. electrons then flow down the to participate in the reduction reaction. the balances the charges in the cell to ensure electron flow within the cell.
Answers
Electricity production in a fuel cell starts with a reaction at the electrode, followed by electron flow across the electrode. The electrons then participate in the reduction reaction, which balances the charges in the cell and enables continuous electron flow for electricity generation.
In a fuel cell, electricity production begins with a chemical reaction. The reactant fuel (such as hydrogen or methanol) is supplied to the fuel cell, where it undergoes a reaction at the electrode. This reaction typically involves the oxidation of the fuel, where it releases electrons.
The electrons generated during the reaction flow across the electrode, creating an electric current. Meanwhile, a separate reaction takes place at the other electrode, known as the reduction reaction. In this reaction, a oxidizing agent (such as oxygen from the air) combines with electrons and sometimes ions from the electrolyte to form reaction products (e.g., water).
The overall purpose of the reduction reaction is to balance the charges in the fuel cell and ensure a continuous flow of electrons within the cell. By balancing the charges, it allows for a stable and sustained electron flow, which is essential for generating electricity in the fuel cell.
It's important to note that different types of fuel cells may have variations in their specific reactions and components, but the general principle of using a fuel and an oxidizing agent to produce a flow of electrons remains consistent across various fuel cell technologies.
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Answer:
✔ an oxidation
✔ Electrons
✔ cathode
✔ electrolyte
Explanation:
Related Questions
HELP. ME!!!!!!!!!!!!!!!
Which of the following compounds has the largest percent by mass of oxygen?
Select one:
a. CO2
b. C6H1206
с. СO
d. CH20
Answers
Question 4 of 20:
Select the best answer for the question
4. Which of the following is a design theory from the 1980s that uses mathematics to guide computer-aided design
O A. C-K Theory
O B. General Design Theory
O C. ASE
O D. TRIZ
Answers
general design theory
It is, general design theory introduced in 1980s that uses mathematics to guide computer - aided design. Hence, option B is correct.
What is general design theory ?A variety of new design theories were developed in the 1980s as a result of technology developments like computer-aided design (CAD). The 1981 article "General design theory and a CAD system" by Hiroyuki Yoshikawa contains one of the early references to GDT.
Yoshikawa's theory "ultimately aims at elucidating the human capacity for designing in a scientific fashion, while simultaneously producing the practical information about design technique.
Many different approaches and interpretations of design theory have been made, ranging from personal statements of design principles made by designers, to philosophical conceptions of design, to a search for a design science using advanced mathematics. Hence, option B is correct.
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You have been given a choice of four elements; Lithium, Magnesium, Sulfur, and Bromine. You must decide which two elements would form a compound that has one atom of the metallic atom and two of the non-metallic atom in the final neutral compound. Which choice lists the two atoms with the correct formula for the compound?
A.
Magnesium and Sulfur; MgS2
B.
Lithium and Bromine; LiBr2
C.
Lithium and Sulfur; Li2S
D.
Magnesium and Bromine; MgBr2
Answers
The compound formed that has been neutral has been Magnesium and bromine. Thus, option D is correct.
The periodic table has been the arrangement of the elements with increasing atomic number and similarity in the reactivity.
The metals in the periodic table are elements that has been able to accept electrons, and nonmetals are the elements in the table that loses electrons to attain the stable noble gas configuration.
Formation of a neutral compoundThe metal and nonmetal form the neutral compound when there has been the formation of stable compound with the complete configuration.
The magnesium and lithium has been metals, while sulfur and bromine are nonmetals. Bromine has been the element of group 17. It has been able to gain an electron. Sulfur has been the nonmetal and required 2 electrons to complete its octet.
Lithium has been the metal with one valence electron, and magnesium with 2 valence electrons.
The neutral compound to be formed has been consisted of one metal with 2 valence electrons, and 2 nonmetals with 1 valence electrons.
Thus, the compound formed that has been neutral has been Magnesium and bromine. Thus, option D is correct.
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The Roman numeral in manganese (IV) sulfide indicates:
A. the group number on the periodic table
B. the positive charge on the manganese ion
C. the number of manganese ion in the formula
D. the number of sulfide ions needed in the formula
Answers
The Roman numeral in the manganese (IV) sulfide indicates : the positive charge on the manganese ion. The correct option is B.
The Manganese (IV) sulfide, chemical formula = Mn₂S₄ In the compound Manganese (IV) sulfide, the manganese (IV) contains the positively charged cation and the sulfide contains the negatively charged anion. The name of the manganese (IV) sulfide is that each of the manganese atom has the charge of +4.
Manganese = Mn⁴⁺
Sulfide = S²⁻
The chemical formula for the Manganese (IV) sulfide = Mn₂S₄. The Roman numeral in manganese (IV) sulfide shows the positive charge on the manganese ion.
Therefore, the correct option is B.
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determine whether each phrase describes starch, glycogen, or cellulose.
Answers
Answer:
Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents.
glycogen is a substance deposited in bodily tissues as a store of carbohydrates. It is a polysaccharide which forms glucose on hydrolysis.
Cellulose is a molecule, consisting of hundreds and sometimes even thousands of carbon, hydrogen and oxygen atoms.
When sodium (Na1+) and oxygen (O2-) combine, the resulting formula will be what
Answers
Answer:Na2O
Explanation:
When sodium and oxygen combine, the resulting chemical formula will be Na₂O.
What is chemical formula?Chemical formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols of elements. It also makes use of brackets and subscripts.
Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form is called empirical formula.
It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.
There are four types of chemical formula:
1)empirical formula
2) structural formula
3)condensed formula
4)molecular formula
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The components in a mixture do not combine chemically true or false?
Answers
A mixture is a combination of two or more substances in any proportions. The substances in a mixture do not combine chemically, so they retain their physical properties
what reaction (oxidation or reduction) occurs at the cathode of a voltaic cell?
Answers
In a voltaic cell, the reaction that occurs at the cathode is the reduction reaction.
A voltaic cell consists of two half-cells, each containing an electrode (cathode or anode) and an electrolyte. In the cell, electrons flow from the anode to the cathode through an external circuit, generating electricity. At the cathode, reduction takes place as the positively charged ions in the electrolyte gain electrons, leading to a decrease in their oxidation state.
A voltaic cell, often called a galvanic cell, is an electrochemical device that produces electricity through uninhibited redox processes, both oxidation and reduction. It is divided into two distinct half-cells. A half-cell is made up of an electrode (a metal strip, M) dissolved in a solution containing Mn+ ions. M can be any metal. A wire from one electrode to the other connects the two half-cells cathode and anode. The half-cells are also connected by a salt bridge.
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Crystalline solids differ from amorphous solids in that crystalline solids have ________.
Answers
Crystalline solids differ from amorphous solids in that crystalline solids have sharp melting points and diffract x- rays .
The main difference in amorphous solid and crystalline solids are given as ,
Crystalline solid
Particles are arranged in regulars repeating patternCrystalline solid have a distinct melting pointsAmorphous solids
Particles are not arranged in regulars repeating pattern .Amorphous solids have sharp melting point .A covalent crystal of network solids is held together by the covalent bond that can be seen in the structures of diamonds, graphite, silicon dioxide, etc. Therefore, the network solids are held by the covalent bonds.
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find the MSDS for regular bleach (sodium hypochlorite, 4-6%).
Identify each of the following items on the MSDS:
A.)Physical state
B.)Routes of exposure and symptoms
C.)Required protective equipment
D.)First aid procedures
E.)Fire-fighting measures
F.)Chemical reactivity
G.)Safe storage
H.)Safe disposal
I.)Environmental precautions and ecotoxicity
j.)Spill cleanup procedures
Answers
The Material Safety Data Sheet (MSDS) of regular bleach (sodium hypochlorite, 4-6%) will provide us with the following information Physical state Sodium Hypochlorite is a clear to yellowish solution or powder.Routes of exposure and symptoms.
Skin and eye irritation, and if ingested, it can cause severe damage to the mouth, throat, and stomach.Required protective equipment: For instance, eye protection, gloves, protective clothing, respiratory protection, and more.First aid procedures: The immediate flushing of the affected region is required. Call a physician if it is ingested.Firefighting measures: Use water, carbon dioxide, and dry chemical extinguishing agents, as well as a self-contained breathing device.
Chemical reactivity: Oxidizing agents, acids, and other chemicals can cause sodium hypochlorite to react.Safely storing: Store in a cool, dry, well-ventilated area, away from acids and other incompatible substances.Safe disposal: Follow the local, state, and federal regulations for hazardous waste disposal.Environmental precautions and ecotoxicity: Prevent the substance from entering drains, watercourses, or soil.Spill cleanup procedures: Cleaning with the use of personal protective equipment, proper ventilation, and absorbents, as well as disposal of contaminated materials are required.
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Which property of rubbing alcohol is a chemical property? its boiling point (82.5°C) its density (0.786 g/cm?) its melting point (-89° C) its acidity
Answers
The property of rubbing alcohol that is a chemical property is its acidity. The correct answer is option d.
Chemical properties describe the behavior or characteristics of a substance when it undergoes a chemical change or reaction. Acidity is a chemical property that refers to the ability of a substance to donate protons (H+) in a chemical reaction.
In the case of rubbing alcohol, the presence of any acidity would indicate the potential for it to react with other substances in an acidic manner. Acidity can influence the chemical reactivity and behavior of rubbing alcohol in various contexts, such as in reactions with other chemicals or in interactions with biological systems.
On the other hand, properties such as boiling point, density, and melting point are physical properties. They describe the substance's characteristics without undergoing a chemical change or reaction.
The correct answer is option d.
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Complete question
Which property of rubbing alcohol is a chemical property?
a. its boiling point (82.5°C)
b. its density (0.786 g/cm?)
c. its melting point (-89° C)
d. its acidity
a typical volume leaving the large intestine might be 200 ml. if the volume exiting the large intestine were 408 ml, then it would most likely indicate a case of .
Answers
A volume of 408 ml exiting the large intestine would most likely indicate a case of diarrhea.
The large intestine, also known as the colon, is responsible for absorbing water and electrolytes from the digested material that enters it from the small intestine.
It helps in forming solid feces by removing excess water. A typical volume leaving the large intestine is around 200 ml, as mentioned.
If the volume exiting the large intestine significantly exceeds the typical volume, such as 408 ml, it indicates an increased amount of fluid reaching the colon or decreased absorption of water by the colon. This condition is commonly associated with diarrhea.
Diarrhea is characterized by the frequent passage of loose, watery stools. It can occur due to various factors, including infections, food intolerances, medication side effects, inflammatory bowel disease, and others.
Excessive fluid reaching the large intestine or impaired water absorption can lead to increased volume in the feces and result in the symptoms of diarrhea.
Therefore, a volume of 408 ml exiting the large intestine is suggestive of a case of diarrhea.
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When working in the fume hood, it is important to make an effort to minimize _____ Only keep items in the hood if they are being used for ______ Do not ______ chemicals in the fume hood unless instructed to do so.
Answers
When working in the fume hood, it is important to make an effort to minimize airflow disruption, Only keep items in the hood if they are being used for experiments, Do not store chemicals in the fume hood unless instructed to do so.
When working in a fume hood, the goal is to minimize the disruption of airflow in the hood to help ensure that hazardous chemicals and fumes stay inside the hood and away from the person using it. To do this, you should only keep items in the hood that are actively being used for experiments. Do not store chemicals in the fume hood, unless you have been specifically instructed to do so by a lab supervisor or another authority figure.
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When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. What volume of H2(g) is produced when 6.50 g of Al(s) reacts at STP?
Answers
0.294 L of H₂(g) is produced when 6.50 g of Al(s) reacts with HCl to produce hydrogen gas at STP.
For this question, the reaction can be represented as follows:
2Al(s) + 6HCl(aq) → 2AlCl₃(aq) + 3H₂(g)
The balanced chemical equation shows that 2 moles of Al(s) reacts with 6 moles of HCl(aq) to produce 3 moles of H₂(g). We can use stoichiometry to find the volume of H₂(g) produced when 6.50 g of Al(s) reacts.
The first step is to convert the mass of Al(s) to moles:
6.50 g Al(s) × (1 mol Al/26.98 g Al) = 0.241 mol Al(s)
Using the mole ratio from the balanced chemical equation, we can then find the number of moles of H₂(g) produced:
0.241 mol Al(s) × (3 mol H₂/2 mol Al) = 0.361 mol H₂(g)
Finally, we can use the ideal gas law to find the volume of H₂(g) produced at STP (standard temperature and pressure):
PV = nRT where P = 1 atm, V is the volume we're trying to find, n = 0.361 mol, R = 0.0821 L·atm/mol·K, and T = 273 K.
V = nRT/P
= (0.361 mol)(0.0821 L·atm/mol·K)(273 K)/(1 atm)
= 0.294 L of H₂(g)
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What conditions should Muscarinic Agonists NOT be used with?
Answers
Muscarinic agonists are a class of drugs that stimulate the activity of the parasympathetic nervous system by binding to muscarinic acetylcholine receptors.
They should not be used in patients with certain medical conditions such as glaucoma, urinary tract obstruction, or gastrointestinal obstruction. In glaucoma, muscarinic agonists can cause pupil constriction and increase intraocular pressure, worsening the condition.
In urinary or gastrointestinal obstruction, muscarinic agonists can increase smooth muscle contraction, exacerbating the obstruction.
Muscarinic agonists should also be used with caution in patients with asthma or chronic obstructive pulmonary disease (COPD) as they can cause bronchoconstriction and worsen respiratory symptoms. Patients with a history of allergy to muscarinic agonists should also avoid these drugs.
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plsss help ive been stuck on this for a week
Answers
Answer:
Thomson's atom model.
Explanation:
His model is the plum pudding model of an atom. There are negatively charged subatomic particles or electrons placed within positively charged matter.
Hope this helps!
What is the type of mixture whose components are evenly distributed throughout?
Answers
The type of mixture whose components are evenly distributed throughout is a homogeneous mixture.
A homogeneous mixture is a mixture in which the components are uniformly distributed throughout. The mixture appears to be the same throughout, and it has the same physical and chemical properties throughout. The composition of the components of a homogeneous mixture is uniform. An example of a homogeneous mixture is a solution of sugar and water. Sugar dissolves in water to form a homogeneous mixture. Another example is salt and water. Salt dissolves in water to form a homogeneous mixture.
However, These are the kinds of combinations where the ingredients are evenly dispersed throughout. In other words, "they are consistent throughout. In a homogenous mixture, we can only see one phase of the substance and components are evenly distributed throughout .
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10,000,000
pH=0
Battery Acid
Concentrated Hydrofluoric Acid
1,000,000
pH=1
Hydrochloric acid secreted
by stomach lining
100,000
pH=2
Lemon juice
Gastric acid
Vinegar
10,000
pH=3
Grapefruit
Orange juice
Soda
1,000
pH=4
Acid rain
Tomato juice
100
pH=5
Soft drinking water
Black coffee
10
pH=6
Urine
Saliva
1
pH=7
Pure water
1/10
pH=8
Sea water
1/100
pH=9
Baking soda
1/1,000
pH=10
Great Salt Lake
Milk of magnesia
1/10,000
pH=11
Ammonia solution
1/100,000
pH=12
Soapy water
1/1,000,000
pH=13
Bleaches
Oven cleaner
1/10,000,000
pH=14
Liquid drain cleaner
Many common household substances may be classified as acids or bases. According to the pH scale,
A)
baking soda is a weak base while bleach is a strong base.
B)
coffee is a weak acid while drain cleaner is a strong acid.
C)
oven cleaner is a weak acid while battery acid is a strong acid.
D)
soft drinking water is a weak base while soapy water is a strong base
Answers
Based on the given pH scale, we can only conclude that baking soda is a weak base (option A).
According to the given pH scale, we can determine the strengths of various substances as acids or bases. Let's analyze each option:
A) Baking soda is listed with a pH of 9, which indicates it is a weak base. Bleach is not specifically mentioned in the given pH scale, so we cannot determine its classification based on the information provided. Therefore, option A cannot be concluded.
B) Coffee is listed with a pH of 4, indicating it is a weak acid. Drain cleaner is listed with a pH of 14, which suggests it is a strong base. Thus, option B is incorrect.
C) Oven cleaner is not specifically mentioned in the given pH scale, so we cannot determine its classification. Battery acid, on the other hand, is listed with a pH of 0, which indicates it is a strong acid. Therefore, option C cannot be concluded.
D) Soft drinking water is listed with a pH of 5, indicating it is a weak acid. Soapy water is not specifically mentioned, so we cannot determine its classification based on the information provided. Hence, option D is incorrect.
In summary, based on the given pH scale, we can only conclude that baking soda is a weak base (option A). The information provided does not allow us to determine the strengths of bleach, oven cleaner, or soapy water.
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Note- The question seems to be incomplete and the complete question isn't available in the search engine.
chromate ion is added to a saturated solution of ag2cro4 to reach 0.78 m cro4-2. calculate the final concentration of silver ion at equilibrium (ksp for ag2cro4 is 9.0 x 10-12).
Answers
[Ag+] = 4.2 x 10^-8 M
Explanation:
Silver chromate, chemical formula Ag2CrO4, has the characteristic appearance of brown-red crystals and is an inorganic compound. The insoluble substance is precipitated from a solution of soluble chromate and silver precursor salts (often potassium or sodium chromate and silver nitrate).
Let us assume x to be the concentration of silver ions [Ag+] in the saturated solution of Ag2CrO4.
On the basis of the balanced chemical reaction of the dissociation of Ag2CrO4 in water, we get the concentration of [CrO42-].
Now, according to the given condition, the concentration of [CrO42-] in the saturated solution is 0.78 M, so the equilibrium concentration of Ag2CrO4 dissociation is as follows:
Ag2CrO4 (s) ↔ 2 Ag+ (aq) + CrO42- (aq)
Initial (M):0 0 0 Equilibrium (M):x 2x 0.78
On the basis of the solubility product constant, we can calculate the value of x (the concentration of [Ag+]).
Ksp = [Ag+]2 [CrO42-]. ^2= 9.0 x 10^-12= x^2 × (0.78)^2
∴ x = 4.2 x 10^-8 M
Therefore, the final concentration of silver ions in the saturated solution of Ag2CrO4 is 4.2 x 10-8 M.
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Please help urgent Balance the following word equation:
Aluminum chloride +
Sodium -->
Aluminum +
Sodium Chloride
Coefficents must stay in the order shown above.
Answers
Answer:
AlCl3 + 3Na > Al + 3NaCl
Explanation:
AlCl3+Na → Al + NaCl
Al =1 Al=1
Cl =3 Cl = 1
Na=1. Na = 1
so balance
and it would be
Alcl3 + 3Na → Al + 3NaCl
Question 1:
How many atoms are in 25.00 g of Li.
A. 2.393 x 10^24 atoms of Li
B. 1.333 x 10^23 atoms of Li
C. 2.16 x 10^26 atoms of Li
D. 2.17 x 10^24 atoms of Li
Question 2:
How many grams is 2.393 x 10^24 atoms of CI
A. 70.45 g CI
B. 140.9 g CI
C. 140.9 mole CI
D. 70.45 mole CI
Please try to answer both questions! Thanks for all the effort :)
Answers
Answer:
1.a
2.c
hope helps
Explanation:
mark
pa
Please help I don’t understand
Answers
It's #1, a helium nucleus.
If you are correct you get a brainless
(07.01 MC)
As a part of the life cycle of plants, the plant must begin with an embryo. What statement best describes where the embryo can be found in flowering and non-flowering plants? (2 points)
Answers
(don’t count on my answer but I think it might be this one and I apologize if you get it wrong)
Consider the reactionB2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ/molCalculate the amount of heat released when 17.0 g of diborane is burned.
Answers
Given the reaction isB2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ/mol.
To find the amount of heat released when 17.0 g of diborane is burned, we can use the formula as given below:Q = n∆HWhereQ = Amount of heat release dn = number of moles∆H = Enthalpy change When the amount of diborane, B2H6 = 17.0 g Molar mass of diborane (B2H6) = 2(10.81) + 6(1.01) = 27.04 g/mol Number of moles, n = mass/molar mass n = 17.0 g/27.04 g/mol = 0.629 molNow, we can calculate the amount of heat released as follows:Q = n∆HQ = (0.629 mol) × (-2035 kJ/mol) = -1279.8 kJ
Thus, 1279.8 kJ of heat is released when 17.0 g of diborane is burned.Explanation:Given the chemical equation isB2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ/mol To calculate the amount of heat released when 17.0 g of diborane is burned, we have to use the formula,Q = n∆HWhereQ = Amount of heat release dn = number of moles∆H = Enthalpy change When the amount of diborane is 17.0 g, we first have to calculate the number of moles.n = mass/molar mass n = 17.0 g/27.04 g/mol = 0.629 mol Now, we can substitute the values in the formula as,Q = n∆HQ = (0.629 mol) × (-2035 kJ/mol) = -1279.8 kJ Thus, 1279.8 kJ of heat is released when 17.0 g of diborane is burned.
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100 grams of liquid completely fill a 200 mL bottle. What is the density of the liquid?
Answers
100g/200mL=0.5 mL
please tell me answers I am given you brainliest
Answers
Answer:
1 = one
2 = fluorine
3 = Bromine
4 = increase
5 = first increaseas and then decreases
hope it helps
Answer the following question using the reaction: AB ---> A+B
Which statement describes the above reaction.
Answers
Answer:
So whats the question?
Explanation:
Answer:
Catabolic reaction.
The Liquified Petroleum Gas (LPG) has the composition of 60% Propane (C 3
H 8
) and 40% Butane (C 4
H 10
) by volume: (a) Find the wet volumetric and gravimetric analysis of the products of combustion when the equivalence ratio (Φ)=1.0. (b) What is the stoichiometric air to fuel ratio for the LPG.
Answers
The balanced combustion reaction for propane can be represented as:
C₃H₈ + (5/2)O₂ → 3CO₂ + 4H₂O
And the balanced combustion reaction for butane can be represented as:
C₄H₁₀ + (6.5)O₂ → 4CO₂ + 5H₂O
Since LPG is composed of 60% propane and 40% butane by volume, we can calculate the wet volumetric and gravimetric analysis based on these proportions.
Wet volumetric analysis:
For the wet volumetric analysis, we consider the volume of the products of combustion relative to the volume of the LPG consumed.
Propane (C₃H₈):
The stoichiometric coefficient of propane in the combustion reaction is 3. Therefore, for every mole of propane burned, we will have 3 moles of CO₂ and 4 moles of H₂O formed.
Butane (C₄H₁₀):
The stoichiometric coefficient of butane in the combustion reaction is 4. Therefore, for every mole of butane burned, we will have 4 moles of CO₂ and 5 moles of H₂O formed.
Considering the initial composition of 60% propane and 40% butane by volume, we can calculate the volumetric composition of the products of combustion:
Volumetric composition of CO₂:
(0.6 * 3) + (0.4 * 4) = 3.6
Volumetric composition of H₂O:
(0.6 * 4) + (0.4 * 5) = 4.6
Therefore, the wet volumetric analysis of the products of combustion is 3.6 parts CO₂ to 4.6 parts H₂O.
Wet gravimetric analysis:
For the wet gravimetric analysis, we consider the mass of the products of combustion relative to the mass of the LPG consumed.
Using the molar masses of the compounds involved in the combustion reaction:
Molar mass of CO₂ = 44 g/mol
Molar mass of H₂O = 18 g/mol
Gravimetric composition of CO₂:
(0.6 * 3 * 44 g/mol) + (0.4 * 4 * 44 g/mol) = 158.4 g
Gravimetric composition of H₂O:
(0.6 * 4 * 18 g/mol) + (0.4 * 5 * 18 g/mol) = 74.4 g
Therefore, the wet gravimetric analysis of the products of combustion is 158.4 grams CO₂ to 74.4 grams H₂O.
(b) The stoichiometric air to fuel ratio for LPG can be determined based on the balanced combustion equations for propane and butane.
For propane (C₃H₈):
C₃H₈ + (5/2)O₂ → 3CO₂ + 4H₂O
The stoichiometric coefficient for propane is 1, which means we need 5/2 moles of O₂ for every mole of propane.
For butane (C₄H₁₀):
C₄H₁₀ + (6.5)O₂ → 4CO₂ + 5H₂O
What is the molarity of a solution containing 400.0 g CuSO4 in 4.00 L of solution?
a
1.00M
b
0.627M
c
2.51M
d
0.813M
PLEASE ANSWER ASAP!
Answers
Answer:
The correct answer is b) 0.627M
define all the physical features of earth
Answers
MOUNTAINS
Mountains are large, tall, and elevated land areas on the earth's surface. They have steep, sloping sides and sharp or rounded ridges, and a high point, called a peak.
PLAINS
Plains are one of the major landforms on earth. They are areas of flat lands.
PLATEAUS
A plateau is a flat, elevated landform that rises above the surrounding area.
DESERTS
Regions of dry, arid lands.
DELTAS
A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water.