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kirill115 [55]
2 years ago
9

Jill is doing a science experiment. After she mixes some baking soda into some

Chemistry
1 answer:
sertanlavr [38]2 years ago
8 0

I think it's C. Please mark brainliest

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Many medical devices are designed using the electromagnetic spectrum. Which type of electromagnetic wave has enough energy to ki
tresset_1 [31]
Gamma rays because the kill every living cell and they have the shortest waves that are dangerous
4 0
3 years ago
The amount of radioactive carbon-14 in a sample is measured using a Geiger counter, which records each disintegration of an atom
sergij07 [2.7K]

Answer:

4121 years

Explanation:

From;

0.693/t1/2 = 2.303/t log No/N

t1/2= half life of the carbon-14

No= count rate of the living tissue

N= count rate of the sample

t = age of the sample

0.693/5730 =2.303/t log (13.5/8.2)

1.21 * 10^-4 = 2.303/t * 0.2165

1.21 * 10^-4 = 0.4986/t

t = 0.4986/1.21 * 10^-4

t = 4121 years

7 0
3 years ago
If the distance between London and New York is 3600 miles, how long would you
Tju [1.3M]

Answer:

3 hours

Explanation:

s=d/t

1200=3600/t

3600/1200=t

t=3

3 0
2 years ago
Which statement is correct about the rate of a chemical reaction? A. It increases when the concentration of reactants increases.
Natasha_Volkova [10]

Answer:

It increases when the concentration of reactants increases.

Explanation:

Increasing the concentration of reactants in a reaction increases the amount of reacting molecules or ions which would increase the rate of a chemical reaction. Reaction rate does depend on temperature. Increasing temperature also increases reaction rate because particles move faster with the increased kinetic energy to produce more collisions.

3 0
2 years ago
When sulfur burns, it forms sulfur dioxide (SO2). Its chemical reaction is S + O2 → SO2.
Elenna [48]

Answer:

The mass of SO2 will be equal to the sum of the mass of S and O2.

Explanation:

This can be explained by the <em>Law of Conservation of Mass</em>. This law states that mass can neither be created nor destroyed. Knowing this, we can say that the reactants of a chemical reaction must be equal to the products.

In this case, the reactants Sulfur (S) and Oxygen (O2) must equal the mass of the product Sulfur Dioxide (SO2). Therefore, the statement <em>"The mass of SO2 will be equal to the sum of the mass of S and O2" </em>is correct.

4 0
2 years ago
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