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2 years ago

9

Choose a sport or sporting play. Describe the types of energy involved in playing the sport. State whether playing the sport is

an energy transfer or energy transformation.
SOME ONE HELP ME PLZZZ!!!!!

1 answer:

mrs_skeptik [129]2 years ago

3 0

Answer:

Doing a bungee jumping

Potential energy ---> Kinetic energy

Explanation:

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What can be expected to occur as climate change continues on earth?

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3 years ago

A sample of argon gas has a volume of 795 mL at a pres-sure of 1.20 atm and a temperature of 116 ∘C. What is the final volume of

jek_recluse [69]

<u>Answer:</u> The volume when the pressure and temperature has changed is $1.6\times 10^2mL$

<u>Explanation:</u>

To calculate the volume when temperature and pressure has changed, we use the equation given by combined gas law.

The equation follows:

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1,V_1\text{ and }T_1$ are the initial pressure, volume and temperature of the gas

$P_2,V_2\text{ and }T_2$ are the final pressure, volume and temperature of the gas

Let us assume:

$P_1=1.20atm\\V_1=795mL\\T_1=116^oC=[116+273]K=389K\\P_2=0.55atm\\V_2=?mL\\T_2=75^oC=[75+273]K=348K$

Putting values in above equation, we get:

$\frac{1.20atm\times 795mL}{389K}=\frac{0.55atm\times V_2}{348K}\\\\V_2=\frac{1.20\times 795\times 348}{0.55\times 389}=1.6\times 10^3mL$

Hence, the volume when the pressure and temperature has changed is $1.6\times 10^2mL$

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3 years ago

7. Which of the following elements is more electronegative than carbon? *

olasank [31]

Answer:

c. Cl

Explanation:

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2 years ago

how much heat in joules would be required to raise the tempurture of 450g of aluminum from 19.5c to 31.2c

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R-OH +R’-COOH +H+↔ R’-COOR

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2 years ago