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Andrei [34K]
3 years ago
12

PLZ HELP!How does changing the angle of a ramp affect the force required?

Chemistry
1 answer:
galina1969 [7]3 years ago
7 0

Answer:

depending on how you change the angle on the ramp the kanetic energy can go up or down depending on how u angle the ramp

Explanation:

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You are walking on a beach and see a split. Explain how a split could have formed from a rocky headland.
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Read 2 more answers
N₂(g) + 3H₂(g) → 2NH3(g)
Anna71 [15]

Answer:

93.5 moles N₂

Explanation:

To find the moles, you need to use the Ideal Gas Law. The equation looks like this:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = number of moles

-----> R = constant (0.0821 atm*L/mol*K)

-----> T = temperature (K)

You can plug the given values into the equation and simplify to find moles. The final answer should have 3 sig figs to match the lowest number of sig figs among the given values.

P = 95.0 atm                  R = 0.0821 atm*L/mol*K

V = 224 L                       T = 2773 K

n = ?

PV = nRT

(95.0 atm)(224 L) = n(0.0821 atm*L/mol*K)(2773 K)

21280 = n(227.6633)

93.5 = n

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How many valence electrons do nitrogen atoms have
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Five valence electrons for one nitrogen and 10 valence electrons for two nitrogens
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3 years ago
If 75 g of liquid water in a calorimeter changes temperature from 25 degrees C to 75 degrees C how much heat was transferred
Assoli18 [71]
Heat=mcDeltaT
heat=(75g)(1.00)(50)
heat=3750
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3 years ago
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