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Yuki888 [10]
3 years ago
5

Write the formula for potassium nitride? (show work) CAN SOMEONE PLEASE HELP?

Chemistry
1 answer:
ohaa [14]3 years ago
8 0

Answer:

It should b KNO3

Explanation:

one Potassium (K) and three Nitrite (NO3)

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A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what woul
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Answer:

10°C  

Explanation:

Heat gain by water = Heat lost by the slice of pizza

Thus,    

m_{water}\times C_{water}\times \Delta T=Q

<u>For water:  </u>

Volume = 50.0 L

Density of water= 1 kg/L  

So, mass of the water:  

Mass\ of\ water=Density \times {Volume\ of\ water}  

Mass\ of\ water=1 kg/L \times {50.0\ L}  

Mass of water  = 50 kg

Specific heat of water = 1 kcal/kg°C  

ΔT = ?

For slice of pizza:  

Q = 500 kcal

So,

50\times 1\times \Delta T=500  

ΔT = 10°C  

Increase in temperature = 10°C  

3 0
3 years ago
A burner is placed below the right side of a beaker. Which image shows the motion of the liquid that will result?
matrenka [14]

Answer:

the result will be the whole surface of the liquid boilling

Explanation:

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Murrr4er [49]

Answer:

The relative humidity in Raleigh, NC

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