CHEMISTRY HIGH SCHOOL

Which of the following would be used to buffer vinigeara salt
b flour
c baking soda

Answers

Answer 1
Answer: Baking soda can buffer the vinegar. 
Answer 2
Answer:

Answer:

The answer is C: Baking Soda

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Why should hypothesis be testable?
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A catalyst is _____.-Choices-
not used up in a reaction
the product of a combustion reaction
one of the reactants in a single-replacement reaction
a solid product of a reaction

Answers

Answer: Option (a) is the correct answer.

Explanation:

A catalyst is the substance which helps in increasing the rate of a reaction without itself getting consumed in the reaction.

A catalyst changes the path of reaction so that molecules with lower energy can easily participate in the reaction. As a result, formation of products increases.

Thus, we can conclude that out of the given options, a catalyst is not used up in a reaction.
A catalyst isn't used up in the reaction. It is only used to speed up the process of the reaction, but it isn't used up to form any new compounds

The true color of water isa. clear.
b. greenish blue.
c. sky blue.
d. green. E. white.

Answers

a. clear.
Water is transparent. 

Please help me with this question number 22

Answers

If I remember correctly 1 Cal (capital C) is equal to 1000 cal (lower case c) where Cal is used in nutrition since 1 cal is actually relatively small.  If I am write about that, the answer should be 138Cal (nutritional calories) equals 138000cal.  Therefore I think the answer is 138000cal.

I hope this helps.  Let me know in the comments if anything is unclear.

What is the term for an unsaturated hydrocarbon with at least one double carbon-carbon bond?

Answers

The term is alkenes. one double carbon-carbon bond is referred to as Alkenes or Alkynes

Answer:

The term is alkenes. one double carbon-carbon bond is referred to as Alkenes or Alkynes

Explanation:

How do molecules move to the location of the chemical change

Answers

In a chemical change, the molecules in the reactants interact to form new substances. In a physical change, like a state change or dissolving, no new substance is formed.

hope this helped

Final answer:

Molecules move to the location of a chemical change due to the process of diffusion. In this physical phenomenon, molecules move from an area of high concentration to an area of lower concentration. This diffusion leads to interaction between reactant molecules causing the chemical change.

Explanation:

The movement of molecules to the location of a chemical change is a fundamental concept in Chemistry. In a chemical reaction, molecules move due to a physical phenomenon known as diffusion. Diffusion is the process by which molecules of a substance move from an area of high concentration to an area of lower concentration. For example, if you open a perfume bottle at one end of a room, eventually the perfume molecules will spread throughout the room. These perfume molecules move to areas of lower concentration via diffusion. In the context of a chemical reaction, the reactant molecules diffuse to interact with each other, leading to the chemical change or reaction.

Learn more about Diffusion here:

brainly.com/question/33319237

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A 3.0 M HCl(aq) solution contains a total of(1) 3.0 grams of HCl per liter of water
(2) 3.0 grams of HCl per mole of solution
(3) 3.0 moles of HCl per liter of solution
(4) 3.0 moles of HCl per mole of water

Answers

Answer : The correct option is, (3) 3.0 moles of HCl per liter of solution

Explanation :

Molarity : It is defined as the number of moles of solute present in one liter of the solution. The S.I unit of molarity is mole per liter.

It is represented as,

Molarity=\frac{\text{Moles of solute}}{V_(solution)(L)}

where,

V = volume of solution in liter

As we are given 3.0 M HCl(aq) solution this means that 3.0 moles of HCl present in one liter of solution.

Hence, a 3.0 M HCl(aq) solution contains a total of 3.0 moles of HCl per liter of solution.
Molarity = number of moles / volume in liters solution

Answer (3)

hope this helps!
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