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stellarik [79]
3 years ago
14

To find out if the height from which a student drops a ball affects how high the ball bounces, the independent variable is the

Chemistry
1 answer:
N76 [4]3 years ago
4 0

Answer:

The independent variable is the height of the ball that bounces.

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Sulfur burns in the air to form 33.6L of sulfur dioxide. (S = 32, O =16, 64g of sulfur dioxide has 22.4L, 32g of oxygen has 22.4
ivolga24 [154]

The mass of oxygen reacted/required in this reaction is obtained as 48g.

<h3>What is stoichiometry?</h3>

The term stoichiometry has to do with mass- volume or mass - mole relationship which ultimately depends on the balanced reaction equation.

Now, we have the reaction; S + O2 ------>SO2

If 1 mole of sulfur dioxide contains 22.4 L

x moles of sulfur dioxide contains 33.6L

x = 1.5 moles of sulfur dioxide.

Since the reaction is 1:1, the number if moles of oxygen required/reacted is 1.5 moles.

Mass of oxygen required/reacted = 1.5 moles * 32 g/mol = 48g

Learn more anout stoichiometry: brainly.com/question/9743981

8 0
2 years ago
What is a period on the Periodic Table? *
ella [17]

Answer:

Explanation:En la tabla periódica los elementos están ordenados de forma que aquellos con propiedades químicas semejantes, se encuentren situados cerca uno de otro. Los elementos se distribuyen en filas horizontales, llamadas períodos.

8 0
2 years ago
Describe the chemical reaction based on the
BabaBlast [244]

Answer:

Ammonia gas reacts with oxygen gas.

Nitric oxide gas and liquid water are produced.

Platinum is used as a catalyst.

The equation is unbalanced because the number of hydrogen atoms is not the same on both sides of the equation.

Explanation:

3 0
2 years ago
Which oficial the following organisms si not an autotroph
Anettt [7]

Answer:

A. mushroom

Explanation:

7 0
2 years ago
Read 2 more answers
Synthetic, or man-made, elements typically exist for only a short time
o-na [289]
This is true. Elements past lead are radioactive, because the repulsive force of the protons cannot be overpowered by the “gluing” ability of neutrons (remember, likes repel). As more and more protons are added, generally, the elements become more unstable; for example, Bismuth, right next to lead on the Periodic Table, is radioactive, but the half life of this element is about a billion times longer than the current age of the universe, but Oganesson, element number 118, has a half life of fractions of a second.
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2 years ago
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