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ivann1987 [24]
3 years ago
6

Describe two environmental problems associated with long chain molecules

Chemistry
1 answer:
Leya [2.2K]3 years ago
8 0

do you mean polymers or organic compounds?
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Which are always the first waves of an earthquake to be detected?
frez [133]

Answer:

The first kind of body wave is the P wave or primary wave.

Explanation:

This is the fastest kind of seismic wave, and, consequently, the first to 'arrive' at a seismic station.

6 0
3 years ago
Select the correct answer. What does the kinetic theory state about the relationship between the speed and temperature of gas mo
djverab [1.8K]
Answer = C. As the temperature increases, the speed of gas molecules increases.

As the temperature increases, the gas molecules gain kinetic energy, therefore their speed increases.
7 0
2 years ago
Read 2 more answers
I need help with these last two questions, thanks!
Vitek1552 [10]
Both of these questions can be solved using the equation M1V1 = M2V2, where M is concentration anf V is volume.

For the first case, M2 = 0.2 mol/L, M1 = 3 mol/L, and V2 = 250mL. So now you want V1. Solving for V1, V1 = (M2 / M1)V2 =
(0.2 / 3)(250) = 16.7 mL. So what that means is that you need 16.7 mL of 3M HCl, and the rest of the 250 mL (which would be 250 - 16.7 = 233.3 mL) would be water, with which you're diluting the HCl.

Same principle for the second problem, except now we have percentages and not mol/L. You can treat the percentages as concentrations. Since you're starting with pure isopropyl alcohol, M1 = 100%. You want a final volume of 500 mL and a final concentration of 70%. To find the volume of isopropyl alcohol you need to start with, solve for V1. So V1 = (M2 / M1)V2 = (70 / 100)(500) = 350 mL. So you need 350 mL of isopropyl alcohol and the rest of the 500 mL (that is, 150 mL) you can fill with water.
4 0
3 years ago
How many grams of methane,
Andru [333]

Answer:

82.606g

Explanation:

5.15mol CO* \frac{1 mol CO}{1 mol CH4} *\frac{16.04 g CH4}{1 mol CH4} =82.606g CH4

7 0
2 years ago
Restaurant​ a's chicken salad contains the same number of grams of fat as the chicken salad of restaurant
german
To compute for grams of fat in each salad:

We know that, A = C.

And B is 5 grams more, so it is B = 5 + A

And the total fat is 65, so A + B + C = 65 grams.


Computation:

A + (5 + A) + A = 65

3A + 5 = 65

3A = 60

A = 20

A = 20

B = (65 - 40) = 25

C = 20
6 0
3 years ago
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