Common salt, sometimes referred to as sodium chloride, is a substance consisting of sodium and chlorine atoms. One mole of sodium chloride (23 grams) interacts with one mole of oxygen to produce two moles of sodium oxide and one mole of chlorine. This reaction is known as the sodium chloride–oxygen reaction (NaCl–O2).
How much sodium chloride is in a mole of chlorine?The molar masses of sodium (Na) and chlorine (Cl) are respectively 22.99 g/mole and 35.4 g/mole.
One mole of sodium chloride contains how many moles of sodium?If I take a mole of NaCl, there will either be one mole of Na and zero Cl2 molecules, or two moles of Na and two moles of Cl2 molecules on either side.
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How many carbon atoms are there in 5 molecules of C6H12O6?
Answer:
6
Explanation:
Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.
What is the formal charge of F in CF4?
Answer:
zero
Explanation:
Answer:
Zero.
Explanation:
The overall formal charge in CF4 is zero.
Please help due tofay
Answer:
I only know the answer to the second one, The bond that occurs between two metal atoms is a metallic bond
Is Consideringual clay different than
sedimentary?
Answer: No.
Explanation: Clay is filled with minerals that often weather to create shale. Clay is usually found in muddy environments, so it traps.
The final step in the scientific method is writing a(n) ___________.
Answer:
Explanation:
is this graded??
What is the average atomic mass of an element with isotopes A, B, and C?
[(mass of A) * (% of A) + (mass of B) * (% of B) +(mass of C) x (% of C)]
3
B.
(mass of A)
(% of A)
(mass of B
(% of B)
+
(mass of C)
(% of C)
C. (mass of A) x (% of A) + (mass of B) * (% of B) + (mass of C) (% of C)
O D.
(mass of A + mass of B + mass of C)
3
Answer:
(mass of A) x (% of A) + (mass of B) x (% of B) + (mass of C) x (% of C)
Explanation:
got it right
A student began with a 3.12 g sample that contained their unknown and charcoal. After recrystallization the mass of dried crystals recovered was 2.61 g. What was the percent recovery
The percent recovery would be 83.65%
What is Percent Recovery?The percent recovery of a recrystallization reaction can be mathematically deduced as:
Percent recovery = recovered amount/amount of original sample x 100%
In this case, the recovered amount = 2.61 g, and the original amount of sample = 3.12. Thus:
Percent recovery = 2.61/3.12 x 100%
= 83.65%
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What does the diagram represent?
A) A neutral oxygen atom
B) An oxygen atom with 7 protons
C) An oxygen ion with a +2 charge
D) An oxygen ion with a -2 charge
Answer:
an oxygen ion with -2 charge
Explanation:
because a neutral oxygen atom has 8 electrons
and in the first orbit there'll be 2 electrons
and in the second orbit there'll be 6 electrons
but here there are 8 electrons in the outermost orbit and normally there'll be only 6
which means there are extra 2 electrons
and extra electrons means negatively charged
Which of these would you expect to have the highest boiling point?
Pertane: HOC-CH2-CH-CH2-CH)
Neopentane:
H.C-C-CH3
CH3
CH,
CHE
Isopentane:
Cyclopropane
НЕС-СН-СН-СН3
Нас
CHz
a) cyclopropane
b) pentane
c) isopentane
d) neopentane
Answer:
pertane the stronger the force the larger amount of energy needed to break of the connection between the molecules
Why are cells important to an organisms survival
Answer:
Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions. ... These organelles carry out tasks such as making proteins?, processing chemicals and generating energy for the cell
Answer: I absolutely love this question! Biology is so interesting, so I always love to answer the curiosity of others regarding biology, such as that!
Cells are simply the basic structures of all organisms, that are living, of course! Cells provide structure for the body, and they also take in nutrients that your body needs from food and they carry out important functions. These organelles carry out tasks such as making proteins, processing chemicals, and generating energy for the cell. Isn’t that cool?
Hope this helped! <3
9. Nitric acid, HNO3, is extensively used in the manufacture of fertilizer. A bottle containing 75.0 ml of nitric acid solution is labeled 6.0 M HNO3.
a. How many moles of HNO3 are in the bottle?
b. A reaction needs 5.00g of HNO3. How many ml of solution are required?
(Molar mass of HNO3 = 63.01 g /mol)
a)There are 0.45 moles of HNO₃ in the bottle.
b)Approximately 13 ml of the solution are required for the reaction.
a. To find the number of moles of HNO₃ in the bottle, we can use the formula:
moles = concentration (M) x volume (L)
Given that the concentration of the nitric acid solution is 6.0 M and the volume is 75.0 ml, we need to convert the volume to liters:
75.0 ml = 75.0 ml x (1 L/1000 ml) = 0.075 L
Now, we can calculate the number of moles:
moles = 6.0 M x 0.075 L = 0.45 moles
So, there are 0.45 moles of HNO₃ in the bottle.
b. To determine the volume of solution required for 5.00 g of HNO3, we need to use the molar mass of HNO3 to convert grams to moles:
moles = mass (g) / molar mass (g/mol)
Given that the molar mass of HNO₃ is 63.01 g/mol and the mass required is 5.00 g, we can calculate the number of moles:
moles = 5.00 g / 63.01 g/mol ≈ 0.079 moles
Now, we can use the concentration to find the volume:
volume (L) = moles / concentration (M)
volume (L) = 0.079 moles / 6.0 M ≈ 0.013 L
Finally, we need to convert the volume to milliliters:
volume (ml) = 0.013 L x (1000 ml/1 L) ≈ 13 ml
So, approximately 13 ml of the solution are required for the reaction.
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PLEASE HELP URGENT AS FAST AS POSSIBLE THANK YOUUUU
If 1000 J of heat were released by 80 g of water at 90 C,:
What is the change in temperature?
Answer:
138.889
Explanation:
A quantity of gas occupies a volume of 804 mL at a temperature of 27 °C. At what temperature will the
volume of the gas be 402 mL, assuming that there is no change in the pressure?
Answer:
T₂ = 150 K
Explanation:
Given data:
Initial volume of gas = 804 mL
Initial temperature = 27°C (27+273=300 K)
Final temperature = ?
Final volume = 402 mL
Solution:
The given problem will be solve through the Charles Law.
According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.
Mathematical expression:
V₁/T₁ = V₂/T₂
V₁ = Initial volume
T₁ = Initial temperature
V₂ = Final volume
T₂ = Final temperature
Now we will put the values in formula.
V₁/T₁ = V₂/T₂
T₂ = V₂T₁/V₁
T₂ = 402 mL × 300 K / 804 mL
T₂ = 120,600 mL.K / 804 mL
T₂ = 150 K
Given the balanced equation representing a reaction
occurring at 101.3kPa and 298K:
2H2 + O2 + 2H2O + 571.6kJ
What is the total amount of energy released when
0.75mol of H2O is produces?
1) 214.4 kJ
3) 285.8 kJ
2) 428.7 kJ
4) 571.6 kJ
How many moles are there in 3.01 x 1024 atoms of argon?
Answer:
Try this for answer 3082.24
In using the Haber process in the formation of ammonia, what mass of hydrogen is needed to produce 51.0 grams of ammonia? 3 H₂(g) + N2 (g) → 2 NH3(g).
The mass of hydrogen needed to produce 51.0 grams of ammonia is ≈ 9.07 grams.
To determine the mass of hydrogen required to produce 51.0 grams of ammonia (NH3) using the Haber process, we need to calculate the stoichiometric ratio between hydrogen and ammonia.
From the balanced chemical equation:
3 H₂(g) + N₂(g) → 2 NH₃(g)
We can see that for every 3 moles of hydrogen (H₂), we obtain 2 moles of ammonia (NH₃).
First, we need to convert the given mass of ammonia (51.0 grams) to moles. The molar mass of NH₃ is 17.03 g/mol.
Number of moles of NH₃ = Mass / Molar mass
= 51.0 g / 17.03 g/mol
≈ 2.995 moles
Next, using the stoichiometric ratio, we can calculate the moles of hydrogen required.
Moles of H₂ = (Moles of NH₃ × Coefficient of H₂) / Coefficient of NH₃
= (2.995 moles × 3) / 2
≈ 4.493 moles
Finally, we can convert the moles of hydrogen to mass using the molar mass of hydrogen (2.02 g/mol).
Mass of H₂ = Moles × Molar mass
= 4.493 moles × 2.02 g/mol
≈ 9.07 grams
Therefore, approximately 9.07 grams of hydrogen is needed to produce 51.0 grams of ammonia in the Haber process.
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How to calculate the orbital period of earth
Answer:
By observing the time between transits, we know the orbital period. Kepler's Third law can be used to determine the orbital radius of the planet if the mass of the orbiting star is known (R3=T2−Mstar/Msun, the radius is in AU and the period is in earth years)
hope this helps you out
How many grams of hydrogen are in 5 moles of phosphoric acid?
Answer:
15 gram
Explanation:
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This is for my science class.
A donut falls from a table and has a kinetic energy of 2 joules when it hits the floor. How much kinetic energy would it have had if it was twice the mass?
Answer:
4 joules
Hope this helps if it does consider giving brainliest
Cya on the next one!
Explanation:
4 joules.
When it left the table it would have mgh potential energy that would have been converted to kinetic when it hit the floor. If the mass (m) was twice the energy would have been twice.
To determine the pH of a solution using a pH
indicator paper, you need a
We need a color key to determine the pH of a solution using pH indicator paper.
What is pH?pH is the measure of the hydrogen ions concentration in a solution which means the measure of acidity or alkalinity of the solution.
Generally, the pH scale ranges from 0 to 14.
A solution having a pH less than 7 is said to be acidic whereas a solution having a pH more than 7 is considered basic or alkaline
A solution having a pH equal to 7 is said to be neutral
What are pH indicators?pH indicators are weak acids that are found as natural dyes and that change color to show how many H⁺ (H3O⁺) ions are present in a solution.
The substance you are analyzing has an acidic, basic, or neutral pH value, which is calculated from the negative logarithm of H⁺ concentration.
The paper form of pH indicators is typically dipped into solutions and then removed for comparison against a color/pH key. Usually, the liquid form of pH indicators is added directly to solutions.
Thus, a color key or pH key is needed to determine the pH of a solution using pH indicator paper.
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Answer:
color key
creating a color key
have known PH values
A
Explanation:
hope this helps its all the answers in one
What is the calibration of this graduated cylinder? calibration
A. 5 mL
B. 2 mL
C. 1 mL
D. 10 mL
The answer is 1ml. The answer is 1ml because of calibration of this graduated cylinder
Answer:
1 mL
Explanation:
According to your definition, it is the difference between marked spaces divided by the # of spaces between marked values.
Difference between 2 marked values: 5 mL
# Of Spaces between marked values: 5
Calibration: 5 mL / 5 mL = 1 mL
You are titrating 25.025.0 mL of 0.0100 M Sn2 Sn2 in 1 M HCl HCl with 0.0500 M Tl3 Tl3 resulting in the formation of Sn4 Sn4 and Tl Tl . A PtPt indicator electrode and a saturated Ag|AgCl Ag|AgCl reference electrode are used to monitor the titration. What is the balanced titration reaction
Answer:
Sn²⁺ + Tl³⁺ → Sn⁴⁺ + Tl⁺
Explanation:
The Sn²⁺ is oxidized to Sn⁴⁺. Whereas Tl³⁺ is reduced to Tl⁺. The half-reactions are:
Sn²⁺ → 2e⁻ + Sn⁴⁺ (Oxidation, loosing electrons)
Tl³⁺ + 2e⁻ →Tl⁺ (Reduction, gaining electrons)
The sum of the reactions gives:
Sn²⁺ + Tl³⁺ + 2e⁻ → 2e⁻ + Sn⁴⁺ + Tl⁺
Subtracting the electrons in both sides of the reaction:
Sn²⁺ + Tl³⁺ → Sn⁴⁺ + Tl⁺Enter a balanced equation for the reaction between solid nickel(II)(II) oxide and carbon monoxide gas that produces solid nickel and carbon dioxide gas. Express your answer as a chemical equation. Identify all of the phases in your answer.
Answer: A balanced equation for the given reaction is \(NiO(s) + CO \rightarrow Ni(s) + CO_{2}(g)\).
Explanation:
The reaction equation will be as follows.
\(NiO(s) + CO \rightarrow Ni(s) + CO_{2}(g)\)
Number of atoms on the reactant side is as follows.
O = 2C = 1Number of atoms on the product side is as follows.
Ni = 1O = 2C = 1Since number of atoms on both the reactant and product sides are equal. Hence, the reaction equation is balanced.
Thus, we can conclude that a balanced equation for the given reaction is \(NiO(s) + CO \rightarrow Ni(s) + CO_{2}(g)\).
You have 30.4 g of O2 gas in a container with twice the volume as one with CO2 gas. The pressure and temperature of both containers are the same. Calculate the mass of carbon dioxide gas you have in the container.
Answer:
mass of CO2 = 20.9 g
Explanation:
Given that:
mass of O2= 30.4 g
molar mass O2 = 32
\(number \ of \ moles = \dfrac{mass }{molar mass}\)
number of moles of O2 = 30.4 / 32
number of moles of O2 = 0.95 moles
The Volume of O2 = 2V
Using ideal gas equation:
PV = nRT
P × (2V) = 0.95 × R × T
PV = 0.475 RT ----- (1)
For CO2;
The volume = V
Using ideal gas equation:
PV = nRT ---- (2)
Equating equation (1) and (2) together, we get:
0.475 RT = nRT
Dividing both sides by RT
(0.475 RT)/RT = (nRT)/RT
0.475 = n
Thus, the number of moles of CO2 = 0.475
Since mass = number of moles × molar mass
mass of CO2 = 0.475 × 44
mass of CO2 = 20.9 g
Question 9 of 10
Which of the following phrases best describes the term scientific mode??
OA. An experiment in which variables are controlled
OB. A simplified representation used to explain or make predictions
about something
OC. The application of scientific knowledge to make predictions about
an object, system, or process
OD. A physical copy of a scientific object, system, or process
SUBMIT
If 2.45 g of iron are placed in 1,5 L of 0.25M HCl, how many grams of FeCl2 are obtained? Identify the limiting and excess reactants in this single replacement reaction. Fe + 2HCl = FeCl2 + H2
Answer:
\(m_{FeCl_2}=0.652gFeCl_2\)
Explanation:
Hello there!
In this case, according to the given information and the chemical reaction, whereby iron and hydrochloric acid react in a 1:2 mole ratio, it is firstly necessary to calculate the moles of iron (II) chloride from each reactant in order to figure out the limiting reactant:
\(n_{FeCl_2}=2.45gFe*\frac{1molFe}{55.845gFe}*\frac{1molFeCl_2}{1molFe}=0.0439molFeCl_2\\\\ n_{FeCl_2}=1.5L*0.25\frac{molHCl}{L} *\frac{1molHCl}{36.46gHCl}*\frac{1molFeCl_2}{2molHCl}=0.00514molFeCl_2\)
In such a way, we infer the maximum moles of FeCl2 product are yielded by HCl, for which it is the limiting reactant. Finally, we calculate the grams of product by using its molar mass as shown below:
\(m_{FeCl_2}=0.00514molFeCl_2*\frac{126.75gFeCl_2}{1molFeCl_2} \\\\m_{FeCl_2}=0.652gFeCl_2\)
Regards!
Which property of a star is closely related to its temperature?
omposition
brightness
Color
size
Answer:
color
Explanation:
PLEASE HELP!!!
How many calories are in 4,180 joules?
Answer:
To convert joules to calories, you can use the conversion factor:
1 calorie = 4.184 joules
To find out how many calories are in 4,180 joules, divide the given value by the conversion factor:
4,180 joules / 4.184 joules per calorie = 0.9 calories (approximately)
Therefore, there are approximately 0.9 calories in 4,180 joules.
Why does intermolecular force exists between particles
A compound consists of 81.7 percent by mass carbon and 18.3 percent by mass hydrogen What is the empirical formula of this compound?
Answer: C3H8 ——-
Hope this helps!
The empirical formula of the compound containing 81.7% carbon and 18.3% hydrogen is C₃H₈
Data obtained from the questionCarbon = 81.7%Hydrogen = 18.3%Empirical formula =? How to determine the empirical formulaDivide by their molar mass
C = 81.7 / 12 = 6.8
H = 18.3 / 1 = 18.3
Divide by the smallest
C = 6.8 / 6.8 = 1
H = 18.3 / 6.8 = 2.69
Multiply by 3 to express in whole number
C = 1 × 3 = 3
H = 2.69 × 3 = 8
Thus, the empirical formula of the compound is C₃H₈
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