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Eddi Din [679]
3 years ago
6

Please help with chem final need answers within one hour i’ll give brainliest

Chemistry
1 answer:
Dahasolnce [82]3 years ago
7 0

Answer:

1. 7

2. 7

3. 16.60

Explanation:

1. 7

3x-3=18

+3 +3

3x=21

/3 /3

x=7

2. 7

4x-5=23

+5. +5

4x=28

/4. /4

x=7

3. 16.60

it reaches above the halfway point after 16, and it's one above it. So, it's 16.60

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What is an example of equilibrium?
frez [133]

A good example of equilibrium would be the mixing of oil and water in a closed container.

<h3>What is chemical equilibrium?</h3>

Chemical equilibrium is a condition in which the concentrations of components of a chemical reaction remain unchanged and have no tendency to change.

Of all the options, the only one where the concentrations of the component reactants cannot change is a mixture containing oil and water in a closed container.

Oil and water are immiscible and thus, their concentrations remain constant.

More on chemical equilibrium can be found here: brainly.com/question/4289021

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5 0
2 years ago
Do protons have attraction for neutrons yes or no
eduard

Answer: Yes, they do.

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4 0
4 years ago
What is the madd in grams of 0.40 moles of sodium borohydride, NaBH4
Orlov [11]

Answer:

Mass = 15.1 g

Explanation:

Given data:

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Mass = number of moles × molar mass

Molar mass of NaBH₄ = 37.83 g/mol

By putting values,

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3 0
3 years ago
What is the difference between Mixtures and Compounds? I am trying to study for my Science quiz on Tuesday, and I need to know t
Deffense [45]
A mixture can be separated.  Everything in a mixture keeps it's own properties and are not chemically joined together.  I am not completely sure about the compound.  Although with the cake example, the ingredients have been mixed and kind of "fused" together upon baking. Hope this helps a little. (P.S. trail mix is a good example of a mixture.)
8 0
3 years ago
The chemical bonds of carbohydrates and lipids have high potential energy because:
gladu [14]

Answer:

c. Many of their bonds are C-C and C-H

Explanation:

The majority of bonds in  carbohydrates and lipids( being an organic compound) are C-C and C-H. Like glucose, fructose or galactose ,etc.

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The correct answer is c.

4 0
3 years ago
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