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lukranit [14]
4 years ago
7

In a spontaneous reaction -

Chemistry
1 answer:
Andreyy894 years ago
3 0
A) because spontaneous means in an instant
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What force was applied to an object if 35 j of work was done and the object moved 7 m?
Serjik [45]

5N force was applied to an object if 35 j of work was done and the object moved 7 m

A force is an effect that can alter an object motion according to physics and an object with mass can change its velocity or accelerate as a result force and also force is as push or pull and work done by the force on an object means assuming that direction of the force is parallel to the displacement of the object

Then the formula is

W = f × d

Where f is the magnitude of force and d is the displacement of the object

Then W = 35 J is the work done and

d = 7m is the displacement of the object

So rearrange the equation then

F = 35/7 = 5N

5N force was applied to an object if 35 j of work was done and the object moved 7 m

Know more about object

brainly.com/question/11748734

#SPJ9

8 0
2 years ago
If have a volume of 18 L of a gas at a temperature of 272 K and a pressure of 90 atm, what will be the pressure of the gas if ra
Solnce55 [7]

Answer:

P₂ ≅ 100 atm (1 sig. fig. based on the given value of P₁ = 90 atm)

Explanation:

Given:

P₁ = 90 atm                    P₂ = ?

V₁ = 18 Liters(L)              L₂ = 12 Liters(L)      

=> decrease volume => increase pressure

=> volume ratio that will increase 90 atm is (18L/12L)                                                                  

T₁ = 272 Kelvin(K)          T₂ = 274 Kelvin(K)

=>  increase temperature => increase pressure

=> temperature ratio that will increase 90 atm is (274K/272K)

n₁ = moles = constant    n₂ = n₁ = constant

P₂ = 90 atm x (18L/12L) x (274K/272K) = 135.9926471 atm (calculator)

By rule of sig. figs., the final answer should be rounded to an accuracy equal to the 'measured' data value having the least number of sig. figs. This means P₂ ≅ 100 atm based on the given value of P₁ = 90 atm.

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3 years ago
The atomic number can tell us how many neutrons are in an atom. Question 4 options: True False
Jet001 [13]

Answer:

true i think

Explanation:

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3 years ago
Which elements did curies discover
Contact [7]
Radium, that is the element that he discovered.
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6 0
4 years ago
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Please hurry I'm in a test... 50 pts :)) HIGH SCHOOL CHEMISTRY
allochka39001 [22]

Answer:

A. Energy is absorbed because the product has more energy than the reactants have.

Here the energy of both reactants is combined together and not released.

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3 years ago
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