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topjm [15]
3 years ago
10

The faster the object is moving the more portential energy it has?

Chemistry
1 answer:
Mazyrski [523]3 years ago
8 0

Answer:

sure

Explanation:

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A lake has been infected by some type of new algae that is unknown. Every single day the amount of surface area that the algae t
FrozenT [24]

Answer:

It takes 86 days take to cover half of the lake

Explanation:

In the day #1, the amount of the algae is X,

In the day #2 is 2X

In the day #3 is 2*2*X = X*2²

...

In the day #n the amount of the algae is X*2^(n-1)

Assuming X = 1m³. In the day 87, the area infected was:

1m³*2^(87-1)

7.74x10²⁵m³ is the total area of the lake

the half of this amount is 3.87x10²⁵m³

The time transcurred is:

3.87x10²⁵m³ = 1m³*2^(n-1)

Multiplying for 5 in each side:

ln (3.87x10²⁵) = ln (2^(n-1))

58.9175 = n-1 * 0.6931

85 = n-1

86 = n

<h3>It takes 86 days take to cover half of the lake</h3>

4 0
2 years ago
A student uses 5g of carbon to extract copper metal from its ore:
Umnica [9.8K]

Answer:

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Explanation:

4 0
2 years ago
What is k in the rate law equation?
REY [17]

Answer:

B. A rate constant

Explanation:

The mathematical expression of rate law is given below,

Rate = K[A]m[B]n

This rate law show the relationship between the rate of chemical reaction and concentration of reactants.

In given equation [A] and [B] are molar concentration of reactants while K represent rate constant.

The value of K is specific for particular reaction at particular temperature,

m and n are represent exponents and determine experimentally. The value of K is not depend upon the concentrations of reactant but depend upon the surface area and temperature

5 0
2 years ago
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An ion with a charge of +3 would most likely be an element in Group ____.
Dmitrij [34]
1) D
2) B
3) A
Hope this helps! :)
5 0
3 years ago
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What distinguishes a chemical property from a physical property?
Dvinal [7]
C. Chemical properties always change depending on temperature or pressure
6 0
3 years ago
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