3 years ago

Help Please!!!!!!!!!!

Chemistry

1 answer:

Shkiper50 [21]3 years ago

4 0

Answer:

L/EGFOU;T4444444444444444444444czgfryewi;adkb,SJJ>RL:IAO:YHSBRAGldOUSDHRIUITUER

Explanation:

DHFUIEY7RY8EFUIDJKJEUSDYRIFU8ERJFHJSX

You might be interested in

Match the following phases of stellar evolution to its characteristic.

Artist 52 [7]

Answer:

im the only answer your gonna get

Explanation:

7 0

2 years ago

Select all that apply.

kap26 [50]

I think it is A and C!

3 0

3 years ago

The pressure of 6.00 L of gas increases from 1.50 atm to 2.00 atm. What is the final volume of the gas, assuming constant temper

xeze [42]

Answer:

first we need to convert everything in SI units

6 0

3 years ago

The exhaust gas from an automobile contains 3% by volume of carbon monoxide (CO). Express this concentration in mg/m3 at 25oC an

ser-zykov [4K]

Answer:

$24540\frac{mg}{m^3}$

Explanation:

Hello,

In this case, since the 3% by volume is represented as:

$\frac{3L\ CO}{L\ gas}$

By using the ideal gas equation we compute the density of CO:

$\rho =\frac{MP}{RT} =\frac{28g/mol*1atm}{0.082\frac{atm*L}{mol*K}*298K}= 0.818g/L$

Then we apply the conversion factors as follows:

$=\frac{3L\ CO}{100L\ gas}*\frac{0.818g\ CO}{1L\ CO} *\frac{1000mg\ CO}{1g\ CO} *\frac{1000L\ gas}{1m^3\ gas} \\\\=24540\frac{mg}{m^3}$

Regards.

4 0

4 years ago

Question 25 of 33

Dafna11 [192]

Answer:

A) It tends to increase from top to bottom of a group

6 0

3 years ago