in a butane lighter, 9.7g of butane combine with 34.7g of oxygen to form 29.3g carbon dioxide and how many grams of water?

Answer: fluted filter paper has more surface area suitable for collecting solid

Explanation:

Answer:

D. decreased biodiversity

Explanation:

Habitat loss due to the increasing human

population has caused decreased biodiversity

The atomic number of this atom is 3.

Atomic Number =Number of Protons .

Here protons=3, Neutrons=4 and Electrons=3. So, The atomic number of this atom is 3.

The charge number of an atomic nucleus is the chemical element's atomic number, also known as nuclear charge number (symbol Z). This is equivalent to the proton number (np), or the number of protons present in the nucleus of each atom of that element, for conventional nuclei.

Ordinary chemical elements can be uniquely identified by their atomic number. The atomic number and the number of electrons are both equal in a regular, uncharged atom.

The atomic mass number A of a regular atom is calculated by adding its neutron number N and neutron number Z. Since the mass of electrons is negligible for many uses, protons and neutrons have roughly equal masses, thus the mass defect of a nucleon.

To learn more about Atomic Number refer to:

brainly.com/question/1805828

#SPJ1

Here are three equations representing the chemical reaction between a metal and an acid:

Zinc + 2HCl → ZnCl2 + H2

Iron + 2HNO3 → Fe(NO3)2 + H2O + NO

Magnesium + 2H2SO4 → MgSO4 + 2H2O + SO2

The three equations representing the reaction :

In this reaction, zinc (metal) reacts with hydrochloric acid to form zinc chloride and hydrogen gas.

In this reaction, iron (metal) reacts with nitric acid to form iron(II) nitrate, water, and nitric oxide.

In this reaction, magnesium (metal) reacts with sulfuric acid to form magnesium sulfate, water, and sulfur dioxide.

In each of these equations, the metal reacts with the acid to produce a salt, water, and sometimes additional products such as hydrogen gas (H2), nitrogen dioxide (NO2), nitrogen monoxide (NO), or sulfur dioxide (SO2), depending on the specific acid and reaction conditions.

For more such questions on chemical reaction

https://brainly.com/question/14106530

#SPJ8

Answer:

industrial activity

Explanation:

Sulfurous acid is a weak acid with the molecular formula H2SO3. It has two acidic hydrogen atoms, which can be sequentially neutralized. The successive neutralizations of each acidic hydrogen of sulfurous acid are as follows:

First acidic hydrogen: H2SO3 + NaOH → NaHSO3 + H2O

The molecular equation is H2SO3 + 2NaOH → Na2SO3 + 2H2O

The net ionic equation is H2SO3 + 2OH- → SO32- + 2H2O

Second acidic hydrogen: NaHSO3 + NaOH → Na2SO3 + H2O

The molecular equation is HHSO3 + NaOH → Na2SO3 + H2O

The net ionic equation is HSO3- + OH- → SO32- + H2O

Overall reaction: H2SO3 + 2NaOH → Na2SO3 + 2H2O

The molecular equation for the overall reaction is H2SO3 + 2NaOH → Na2SO3 + 2H2O

The net ionic equation for the overall reaction is H2SO3 + 2OH- → SO32- + 2H2O

In summary, the molecular and net ionic equations for the successive neutralizations of each acidic hydrogen of sulfurous acid are given above.

To know more about neutralizations, visit:

https://brainly.com/question/14156911

#SPJ11

Answer:

c)Mixtures are composed of two or more substances.

Explanation:

From the given choices, it is true that mixtures are composed of two or more substances.

Answer:

D.) The liquid or gas must circulate to move the heat

Explanation:

The number of moles of potassium hydroxide that would react with 1 mole of hydrochloric acid will be 1.

From the balanced equation of the reaction as shown below:

\(KOH + HCl --- > KCl + H_2O\)

One would see that the stoichiometric mole ratio of \(KOH\) to that of \(HCl\) is 1:1.

This means that 1 mole of KOH will require 1 mole of HCl for a complete reaction that obeys the law of conservation.

More on mole ratios can be found here: https://brainly.com/question/15288923

#SPJ4

Answer:

  3.0 g/mL

Explanation:

The volume is the difference in water levels:

  17.5 mL -15.0 mL = 2.5 mL

The density is the ratio of mass to volume:

  (7.50 g)/(2.5 mL) = 3.0 g/mL

__

Taking the difference of "large" numbers reduces the number of significant figures to 2, so that is the number the answer must use. All other numbers here have 3 significant digits.

While picking up a buret, an unknown solution left by a previous solution drips onto your hand - Gloves

While pulling an empty beaker off the shelf at the beginning of lab, it slips out of your hand onto the floor - Closed-toe shoes

While checking on a stirring solution, the solution splashes up towards your face - Goggles

While transferring a solution from a flask to a beaker, the solution accidentally spills down the front of the lab bench - Lab coat

Explanation:

So, according to the question. the matches will be:

While picking up a buret, an unknown solution left by a previous solution drips onto your hand - Gloves

While pulling an empty beaker off the shelf at the beginning of lab, it slips out of your hand onto the floor - Closed-toe shoes

While checking on a stirring solution, the solution splashes up towards your face - Goggles

While transferring a solution from a flask to a beaker, the solution accidentally spills down the front of the lab bench - Lab coat

Learn more about PPE here:

brainly.com/question/7991933?referrer=searchResults

brainly.com/question/18056380?referrer=searchResults

Answer: Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds.

Explanation:

Explanation:

365hours 6hours 5minutes and 6seconds

The correct expression for Ksp for Zn₃(PO₄)₂ is D) Ksp = [Zn₂+]₃ [PO₃-4]₂ / [Zn₃ (PO₄)₂].

Solubility product constant (Ksp) is the product of the concentrations of the ions in a saturated solution, each raised to the power of its stoichiometric coefficient. The concentration of the solute in the solution when the solution has reached saturation, and no more solute can be dissolved, is known as solubility.

Ksp quantifies the solubility of a salt in a solvent, indicating how much of it will dissolve. Solubility depends on the ionic nature of the salt, the temperature, and the solvent.

The expression for the solubility product constant (Ksp) depends on the balanced equation for the salt's dissolution, which can be used to determine the equilibrium concentrations of the ions.

The balanced chemical equation for the dissolution of Zn₃(PO₄)₂ is:Zn₃(PO₄)₂ (s) → 3 Zn₂+ (aq) + 2 PO₄₃- (aq)The stoichiometry of the reaction indicates that three moles of Zn₂+ ions and two moles of PO₄₃- ions are produced per mole of Zn₃(PO₄)₂ dissolved.

Therefore, the expression for the solubility product constant (Ksp) of Zn₃(PO₄)₂ is as follows: Ksp = [Zn₂+]₃ [PO₄₃-]₂The answer is option D) Ksp = [Zn₂+]₃ [PO₄₃-]₂ / [Zn₃ (PO₄)₂].

To know more about Ksp refer here: https://brainly.com/question/23719355#

#SPJ11

Image C depicts the transfer of electrons between sodium and oxygen to form ionic compounds and image C depicts the transfer of electrons between strontium and fluorine.

Ionic compounds are chemical compounds composed of positively charged ions (cations) and negatively charged ions (anions) held together by electrostatic forces of attraction. These compounds are formed through ionic bonding, which involves the transfer of electrons from one atom to another.

In an ionic compound, the cations and anions are typically formed from atoms of different elements.

Learn more about ionic compounds, here:

https://brainly.com/question/9167977

#SPJ1

Answer:

Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure

Explanation:

The set of protons in compound 2, CH₃CHCHBr, is the least shielded.

Nuclear shielding refers to the ability of electrons to reduce the effect of the positive charge of the nucleus on other electrons. The more electrons there are between the nucleus and the protons being observed, the greater the shielding effect.

The less shielded a set of protons is, the more deshielded it is, which means it will experience a higher magnetic field and appear at a lower chemical shift in the NMR spectrum.

In compound 2, CH₃CHCHBr, the protons on the beta-carbon (C₂) next to the bromine atom (Br) experience the least shielding because the electronegative Br atom pulls electrons away from the C₂-H bond, reducing the shielding effect of the nearby electrons. Therefore, this set of protons will appear at the highest chemical shift in the NMR spectrum.

To know more about Nuclear shielding refer here:

https://brainly.com/question/29977062#

#SPJ11

Complete Question:

Which set of protons in each of the following compounds is the least shielded? O 8 9 | 1.CH-CH-CH-CH 2. 3. CH₃CHCHBr CH3CH2 OCH; TT Br Br 4 5 6 7 1 2 3 Check all that apply

The final temperature of the gas is approximately 40.96 Kelvin.

To determine the final temperature of the gas, we can use the ideal gas law, which states:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles of the gas, R is the ideal gas constant, and T is the temperature in Kelvin.

First, let's convert the given temperatures to Kelvin. We have:

Initial temperature: -125 degrees Celsius = 148 K (approximate)

Final temperature: Unknown

The initial conditions of the gas are as follows:

Initial pressure (P1) = 1.25 atm

Initial volume (V1) = 1250 mL = 1.25 L (since 1 L = 1000 mL)

Initial temperature (T1) = 148 K

The final conditions of the gas are as follows:

Final pressure (P2) = 50.0 atm

Final volume (V2) = 325 mL = 0.325 L

Final temperature (T2) = Unknown

Using the ideal gas law, we can set up the following equation:

(P1 * V1) / T1 = (P2 * V2) / T2

Substituting the known values:

(1.25 atm * 1.25 L) / 148 K = (50.0 atm * 0.325 L) / T2

Simplifying the equation:

T2 = (50.0 atm * 0.325 L * 148 K) / (1.25 atm * 1.25 L)

T2 = 40.96 K

For more such questions on temperature visit;'

https://brainly.com/question/4735135

#SPJ8

Explanation:

it's a decimal form not scientific notation

50÷20= 2.5

please mark me BRAINLIEST

Answer:

Meiosis is the anwer

Explanation:

meiosis

Reaction A is chemical, while Reaction B is nuclear, is the proper response. Electrons are involved in chemical processes that take place outside of the atomic nucleus and release modest quantities of energy.

On the other hand, nuclear processes, which take place inside the atomic nucleus and include neutrons, release comparatively high levels of energy. The terms "weak nuclear" and "strong nuclear," which describe the forces that hold protons and neutrons together in the nucleus, are inapplicable in this situation.

These forces are not present in chemical and nuclear reactions, which are fundamentally distinct processes. Nuclear reactions entail the conversion of one element into another, whereas chemical reactions require the building and breaking of chemical bonds.

Learn more about   atomic nucleus  at:

https://brainly.com/question/11801308

#SPJ1

Answer:

Chlorophyll.

Explanation:

Chlorophyll is also why plants are green.

Pls mark brainliest with the crown

Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.

:)

Answer:

eons.

It would be D. An eon.

Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Km is approximately equal to 1/Ks, and is large when substrate binding is weak.

Option (B) 1/Ks; weak is the correct option.

Km is a constant, also known as the Michaelis constant. It is a measure of how tightly an enzyme binds to its substrate. The Michaelis constant (Km) is defined as the concentration of a substrate at which the reaction rate is half of Vmax. Km, unlike Vmax, is not affected by enzyme concentration.

The Michaelis-Menten equation expresses the reaction rate as a function of substrate concentration. It is expressed as:v0 = Vmax[S] / (Km + [S])Here,[S] represents the concentration of the substrate

Vmax is the maximum rate of reaction

Km is the Michaelis constant.

The Michaelis constant (Km) is inversely related to enzyme-substrate affinity. A low Km implies a high enzyme-substrate affinity, whereas a high Km implies a low enzyme-substrate affinity.

Km is approximately equal to 1/Ks, which is the dissociation constant of the enzyme-substrate complex. The dissociation constant for the enzyme-substrate complex is defined as the ratio of the rate constants for the dissociation and association of the complex.

The dissociation constant (Ks) is a measure of the enzyme's affinity for its substrate. The lower the value of Ks, the more tightly the enzyme binds to its substrate, indicating a high affinity between the enzyme and its substrate.

Therefore, the correct answer is option B.

To learn more about "substrate", visit: https://brainly.com/question/4047091

#SPJ11

Answer:

None

Explanation:

In reporting experimental procedures/analyses, the inference is made after multiple observations have been summed up, to find the nearest possible outcome that explains the phenomenon.

If all options are listed in the question, nothing was inferred after the procedure and observation.

An example of inference would be "CO23- present" or "Chloride formation"

I hope this explanation is clear.

Surfactants are effective at disrupting cell membranes and dissolving insoluble substances because surfactants are amphiphilic in nature.What are surfactants Surfactants are chemical compounds that have hydrophilic (water-loving) and lipophilic (oil-loving) properties.

They are used in detergents, personal care products, and many other applications. Surfactants are effective at disrupting cell membranes and dissolving insoluble substances because surfactants are amphiphilic in nature. Amphiphilic compounds are those that have both hydrophilic and lipophilic properties and are therefore attracted to both water and oil. Surfactants are effective at disrupting cell membranes and dissolving insoluble substances because they are amphiphilic in nature, meaning they have both hydrophilic and lipophilic properties that make them attracted to both water and oil. This allows them to penetrate the cell membrane and interact with the hydrophobic fatty acid tails, causing the membrane to become disrupted.

Surfactants are also effective at dissolving insoluble substances because they can surround and solubilize these substances, allowing them to be washed away or removed.ExplanationSurfactants are compounds that reduce surface tension in liquids by altering the interfacial properties of the liquid. This happens when a surfactant molecule comes into contact with a liquid, such as water. The hydrophobic tail of the surfactant molecule is attracted to the surface of the liquid, while the hydrophilic head is attracted to the water molecules.Surfactants are effective at disrupting cell membranes because the hydrophobic tail of the molecule can penetrate the hydrophobic region of the membrane, while the hydrophilic head interacts with the hydrophilic regions of the membrane. This disrupts the structure of the membrane, allowing molecules to pass through more easily.

TO know more about that membranes visit:

https://brainly.com/question/28592241

#SPJ11