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Natasha2012 [34]
3 years ago
11

Which of the following would SLOW DOWN the rate of chemical

Chemistry
1 answer:
USPshnik [31]3 years ago
7 0

Answer:

increasing rainfall. hope it help

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Matter and energy may be created or destroyed in a chemical reaction.
gulaghasi [49]

Answer:false

Explanation:matter cannot be created or destroyed in a chemical reaction it is rearranged

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3 years ago
Which of the following has zero acceleration?
belka [17]
'Acceleration' means any change in speed or direction
of motion.

so
 C).  No acceleration.  Straight, at constant speed. 
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Which of these describes the role of gelada baboons in their ecosystem?
katen-ka-za [31]

Answer:

Gelada baboons plays a significant role.

Explanation:

The role of gelada baboons in their ecosystem is very important because they aerate the soil for plants which is necessary for good plant growth. These gelada baboons also helps in controlling the population of predator in their ecosystem which is very essential for the stability and equilibrium of the ecosystem so gelada baboons has a good effect on both plants and animals in their ecosystem.

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3 years ago
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If 20.0 grams of Al is placed into a solution containg
meriva

Answer:

m H2(g) = 2.241 g H2(g)

Explanation:

  • 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)

limit reagent:

∴ Mw Al = 26.982 g/mol

∴ Mw H2SO4 = 98.0785 g/mol

⇒ n Al = (20 g Al)×(mol/26.982 g) = 0.7412 mol Al

⇒ n H2SO4 = ( 115 g H2SO4 )×(mol/98.0785 g) = 1.173 mol H2SO4

⇒ n H2 = (0.7412 mol Al)×(3 mol H2/ 2 mol Al) = 1.112 mol H2

∴ Mw H2 = 2.016 g/mol

⇒ g H2 = (1.112 mol H2)×(2.016 g/mol) = 2.241 g H2

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3 years ago
What is the product of a force and the time during which the force acts
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Impulse is the product of a force and the time during which that force acts on a body.

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