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Olenka [21]
3 years ago
9

How can a chemical reaction be sped up?

Chemistry
2 answers:
mariarad [96]3 years ago
8 0

Answer:

d

Explanation:

oee [108]3 years ago
4 0

Answer: monki says d

Explanation: monki big brain oof

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kati45 [8]

Answer:  5 plates

Explanation:

Because you have 5 sandwiches total

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3 years ago
Find the oxidising agent and explain why​
Goshia [24]

Answer:

the process by which plants make their food by there own with the help of sunlight and water is known as photosynthesis

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3 years ago
Read 2 more answers
How many grams of oxygen is needed to completelt react with of 9.30 of aluminum
Leona [35]

Hey there!

Given the reaction:

4 AI + 3O2 ------>  2 AI2O3

4 moles Al --------- 3 moles O2

9.30 moles Al  --------- ?? moles  O2

9.30 * 3 / 4  =>  6.975 moles of O2

Molar mass O2 => 32.0 g

Therefore:

6.975 * 32.0 =>  223.3 g of Oxygen

Hope that helps!

5 0
3 years ago
What is the mass of oxygen gas in a 12.2 L
baherus [9]

Answer:

grams O₂ = 134 grams

Explanation:

PV = nRT => n = PV/RT

P = 8.15atm

V = 12.2 Liters

R = 0.08206L·atm/mol·K

T = 16.0°C + 273 = 289K

n = (8.15atm)(12.2L)/(0.08206L·atm/mol·K)(289K) = 4.2 moles O₂

grams O₂ = 4.2 moles O₂ x 32g/mol = 134 grams O₂

4 0
3 years ago
What is the frequency of radiation whose wavelength is 0.73 nm?
Travka [436]
405 PHz
I might be wrong because that might be for 0.74 nm. We will see with out people answers
8 0
3 years ago
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