Ask question

Ask question

All categories

3 years ago

11

BRAINLIEST!! IGNORE IF YOU DON'T KNOW Which compound contains the highest percentage of nitrogen by mass? Choose one and show yo

ur work.
NH4NH2CO2
NH4NO2
N2O3
NH4Cl
NH2OH

1 answer:

kykrilka [37]3 years ago

6 0

Answer:

thank u so much dost pls give me extra free point Pls mark as a brilliant Pls dost dost RSS

You might be interested in

Jonathan is working in his basement on a science fair project when his little sister closes and locks the door. Jonathan wants t

solmaris [256]

Answer:

he can bang metal pipes but i would rather say that he has to yell for help

Explanation:

why because the basement is very loud and echo so when is parents hear him they can run to basement and get him out

hope this helped

4 0

3 years ago

Read 2 more answers

Which best explains the high surface tension of water?

ololo11 [35]

Your answer would be D

7 0

3 years ago

Read 2 more answers

The breaking down and changing of rocks at or near Earth's surface is called _____.

vodomira [7]

The answer is weathering

6 0

3 years ago

Read 2 more answers

How many Joules of heat would be required

mote1985 [20]

Heat would be required : 1,670 J

<h3>Further explanation</h3>

Given

mass of H₂O=5 g

Required

Heat to melt

Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

The heat of fusion for water at 0 °C : 334 J/g

Input given values in formula :

$\tt Q=5\times 334=\boxed{\bold{1,670~J}}$

4 0

3 years ago

12. Photosynthesis builds sugars out of small molecules, making it an

JulsSmile [24]

Answer:

Condensation reaction/ direct synthesis reaction

Explanation:

Combines simple molecules to form complex molecules producing water

8 0

3 years ago