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snow_lady [41]
3 years ago
8

assume you have a 500 g sample of a radioactive isotope with a half-life of 100 years. fill in the table showing how many grams

of material will remain after the indicated time has passed.
Chemistry
2 answers:
djverab [1.8K]3 years ago
6 0
8.10 hours is the answer
sweet-ann [11.9K]3 years ago
3 0

Answer:

8.10 hours.

Explanation:

You start with 500.0g.

After the first half-life, you have 250.0g.

After the second, you have 125.0g.

After the third, you have 62.50g.

Therefore, it takes three half-lives to decay to 62.50g.

Therefore, the elapsed time must be triple the length of one half-life.

24.3

3

=

8.10

, so it is 8.10 hours.

Explanation:

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K + S = K2S

Potassium reacts with sulfur to produce potassium sulfide

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<h3>What is Homogenization?</h3>

Any of a number of methods, including homogenization and homogenisation, are used to uniformly combine two liquids that are insoluble in one another. To do this, one of the liquids is changed into a state in which very minute particles are evenly dispersed across the other liquid. The process of homogenizing milk, in which the milk fat globules are equally distributed throughout the remaining milk and reduced in size, is a classic example. In order to create an emulsion, two immiscible liquids (i.e., liquids that are not soluble in all amounts one in another) must be homogenized (from "homogeneous"; Greek, homos, same + genos, kind)[2] (Mixture of two or more liquids that are generally immiscible).

To learn more about Homogenization from the given link:

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7 0
1 year ago
The range in size of most atomic radii is approximately
dsp73
2-5 cm. I hope it helps
5 0
4 years ago
How many grams are there in 1.1 x 1027 molecules of water (H2O)?
Nezavi [6.7K]

Answer:

C) 3.3 x 104 grams

Explanation:

1 mole of water contains 6.02 × 10^23 atoms

1.1 × 10^27 atoms will contain;

1.1 × 10^27 ÷ 6.02 × 10^23

= 0.1827 × 10^( 27 - 23)

= 0.1827 × 10^(4)

= 1.827 × 10³ moles of water.

To convert mole to mass in grams, we use the formula;

mole (n) = mass (m) ÷ molar mass (MM)

Molar mas of water (H2O) = 1(2) of H + 16 of O = 18g/mol

mole = mass/molar mass

1.827 × 10³ = mass / 18

mass = 1.827 × 10³ × 18

mass = 32.886 × 10³

mass = 3.286 × 10⁴

mass = 3.3 × 10⁴ grams

6 0
3 years ago
Match the vocabulary word with the defination.
OLga [1]

Answer:

1. d

2. b

3. d

4. e

5. a

explanation:

there's nothing else to explain

3 0
3 years ago
Read 2 more answers
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