3 years ago

I neeeeeeeeeeeddddddddd help!!!

Chemistry

2 answers:

Art [367]3 years ago

8 0

SOMEONEEEEEES HELP THEMMMMMMM

Elza [17]3 years ago

6 0

Answer:

Explanation:

Butane I think, if right pls mark brainliest.

You might be interested in

How many

Aleksandr-060686 [28]

Answer:

A. 1.50

Explanation:

9.01 x 1023 molecules* 1 mol/ 6.022×1023 molecules= 1.49618067087 moles

Rounded would be 1.50

5 0

2 years ago

Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm Hg, the vapor pressure of water

Varvara68 [4.7K]

Answer:

$P_{H_2}=727mmHg$

Explanation:

Hello there!

In this case, according to the given data, it is possible to infer that the gas mixture lies on the 15.0 cm-high column of water, so that the total pressure or atmospheric pressure is given by:

$P_{atm}=P_{water}+P_{H_2}$

Thus, since the atmospheric pressure is 745 mmHg and the vapor pressure of water is 18 mmHg, the pressure of hydrogen turns out to be:

$P_{H_2}=P_{atm}-P_{water}\\\\P_{H_2}=745mmHg-18mmHg\\\\P_{H_2}=727mmHg$

Best regards!

6 0

3 years ago

Which tempature is warmer than the freezing point in water?

vfiekz [6]

Water freezes at 0°C, 32°F, and 273°K. The only temperature warmer than the freezing point is 1°C.

7 0

3 years ago

Read 2 more answers

PLEASE HELP ME!!!

ohaa [14]

Answer:

1045

Answer: 1045 J of energy was released on cooling the down the water from 20 °C to 10 °C.

4 0

3 years ago

Read 2 more answers

Examine the images.

gavmur [86]

Answer:

4 th image

Explanation:

water is being boiled n the 4th image indicating that the change between liquids and gasses is water vapor.

5 0

3 years ago

Read 2 more answers