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mojhsa [17]
3 years ago
15

Which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding

more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Physics
2 answers:
oee [108]3 years ago
8 0

Answer:

b and d

Explanation:

b and d

son4ous [18]3 years ago
6 0
Increasing concentration of on or more reactints will increse the rate.

So
<span> adding more oxygen to the reaction

is your answer
</span>
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A weather balloon is partially inflated with helium gas to a volume of 2.0 m³. The pressure was measured at 101 kPa and the temp
Yanka [14]

Answer:

4.7 m³

Explanation:

We'll use the gas law P1 • V1 / T1 = P2 • V2 / T2

* Givens :

P1 = 101 kPa , V1 = 2 m³ , T1 = 300.15 K , P2 = 40 kPa , T2 = 283.15 K

( We must always convert the temperature unit to Kelvin "K")

* What we want to find :

V2 = ?

* Solution :

101 × 2 / 300.15 = 40 × V2 / 283.15

V2 × 40 / 283.15 ≈ 0.67

V2 = 0.67 × 283.15 / 40

V2 ≈ 4.7 m³

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Anestetic [448]
The answer to your question is OPTION B
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3 years ago
The even distribution of weight in a compostion is known as
mojhsa [17]
The answer is Balance. hopei helped? ahahahaha
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Akimi4 [234]
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