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jeka94
3 years ago
10

Examine the graph to determine half life of strontium -90

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
8 0
25 years! Note that it takes 25 years for half of strontium 90 to decay.
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The nitrogen cycle is completed with the process of what ?
belka [17]

Answer:

nitrogen fixation

Explanation:

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3 years ago
10. The elements in group 1 are called
Alina [70]

Answer:

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Explanation:

3 0
3 years ago
Suppose you carry out a titration involving 3.00 molar HCl and an unknown concentration of KOH. To bring the reaction to its end
snow_tiger [21]

Answer: The concentration of the KOH solution is 1.01 M

Explanation:

According to neutralization law:

n_1M_1V_1=n_2M_2V_2

where,

n_1 = basicity of HCl = 1

n_2 = acidity of KOH = 1

M_1 = concentration of HCl = 3.00 M

M_2 = concentration of KOH = ?

V_1 = volume of HCl = 35.3 ml

V_2 = volume of KOH = 105.0 ml

Putting the values we get:

1\times 3.00\times 35.3=1\times M_2\times 105.0

M_2=1.01

Thus the concentration of the KOH solution is 1.01 M

3 0
4 years ago
PLEASE EXPLAIN what is glucose
antoniya [11.8K]

Answer:

(Hope this helps can I pls have brainlist (crown)☺️)

Explanation:

Glucose is the most common form of sugar in the blood and the body's primary source of energy. Glucose is derived from the meals we eat or produced by the body from other chemicals. The circulation transports glucose to the cells. Several hormones, including insulin, regulate blood glucose levels.

a simple sugar that is a component of many carbohydrates and is a vital source of energy in living things.

Blood sugar, often known as glucose, is the most common sugar present in the body. It is your body's major source of energy and comes from the food you eat. Glucose is carried by your blood to all of your body's cells, where it is used for energy.

5 0
3 years ago
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Sunny_sXe [5.5K]

Answer:

A)Radio.

Explanation:

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7 0
3 years ago
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