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Dafna1 [17]
3 years ago
14

Scientists have measured a cheetah running across the savannah at 70 m/s. Which of the foolowing pieces of

Chemistry
1 answer:
CaHeK987 [17]3 years ago
7 0

Answer:

You haven't provided us with ' the following pieces of

data'

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Which type of energy is associated with the random motion of the particles in a sample of gas?
aliya0001 [1]

Answer:

kinetic energy

Explanation:

Thermal Energy, Temperature, and Heat. Thermal energy is kinetic energy associated with the random motion of atoms and molecules.

8 0
2 years ago
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I REALLY NEED HELP ITS DUE AT 11:59 PM
Slav-nsk [51]

Answer:

I attached a photo of balanced equations but thats as much as I can help.

Explanation:

5 0
3 years ago
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What volume will 0.405 g of krypton gas occupy at STP?
Rufina [12.5K]

Answer:

The answer to your question is V = 0.108 L or 108 ml

Explanation:

Data

Volume = ?

mass = 0.405 g

Temperature = 273°K

Pressure = 1 atm

Process

1.- Convert mass of Kr to moles

                  83.8 g of Kr -------------------- 1 mol

                     0.405 g     -------------------  x

                     x = (0.405 x 1) / 83.8

                     x = 0.0048 moles

2.- Use the Ideal gas law to solve this problem

                   PV = nRT

- Solve for V

                      V = nRT / P

- Substitution

                      V = (0.0048)(0.082)(273) / 1

- Simplification

                       V = 0.108 / 1

- Result

                       V = 0.108 L

8 0
3 years ago
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how many calories is in one peanut if the volume of water is 10 mL and the water temperature is rise 4 degrees celsius
liraira [26]

Answer:

40.02 calories

Explanation:

V = 10 mL = 10g

we know t went <em>up</em> by 4°C, this is our ∆t as it is a change.

Formula that ties it together: Q = mc∆t

where,

Q = energy absorbed by water

m = mass of water

c = specific heat of water (constant)

∆t = temperature change

Q = (10 g) x (4.186 J/g•°C) x (4°C)

Q = 167.44 J

Joules to Calories:

167.44 J x 1 cal/4.184 J = 40.02 calories

(makes sense as in image it is close to the value).

4 0
3 years ago
It takes______ dekaliters to make 100 L.<br><br> A.1000<br> B.1<br> C.10<br> D.0.1
otez555 [7]

Answer:

c

Explanation:

7 0
2 years ago
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