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Ilya [14]
4 years ago
9

A person throws a ball up into the air, and the ball falls back toward Earth. At which point would the kinetic energy be the low

est?(1 point)
A)when the ball is at its highest point

B) at a point when the ball is still rising

C)when the ball leaves the person’s hand

D) at a point before the ball hits the ground
Chemistry
2 answers:
coldgirl [10]4 years ago
8 0
I believe it would be B. Kinetic energy is energy of motion that’s released from stored energy. When the ball is thrown up and when it falls it’s kinetic energy, but at the is are its highest point is more potential energy.
dybincka [34]4 years ago
6 0
It would be d bc when it’s at its lowest point it means not that much energy and that would be its lowest point which is D
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Genrish500 [490]
The balanced chemical equation would be as follows:

<span>NaCl + AgNO3 -> NaNO3 + AgCl

We are given the amounts of the reactants. We need to determine first which one is the limiting reactant. We do as follows:

0.0440 mol/L NaCl (.025 L) = 0.0011 mol NaCl -----> consumed completely and therefore the limiting reactant
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3 years ago
A scientist produces zinc iodide (zni2). (a) calculate the minimum mass of zinc that needs to be added to 0.500 g of iodine so t
harina [27]

The minimum mass of Zinc, Zn that needs to be added to 0.500 g of iodine so that the iodine fully reacts is 0.128 g

<h3>Balanced equation </h3>

Zn + I₂ —> ZnI₂

Molar mass of Zn = 65 g/mol

Mass of Zn from the balanced equation = 1 × 65 = 65 g

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Mass of I₂ from the balanced equation = 1 254 = 254 g

SUMMARY

From the balanced equation above,

254 g of I₂ required 65 g of Zn

<h3>How to determine the mass of Zn needed </h3>

From the balanced equation above,

254 g of I₂ required 65 g of Zn

Therefore,

0.5 g of I₂ will require = (0.5 × 65) / 254 = 0.128 g of Zn

Thus, the minimum mass of Zn required is 0.128 g

Learn more about stoichiometry:

brainly.com/question/14735801

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