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Sonja [21]
2 years ago
13

How much of strontium-90 will be left after 40 hours if you start with 960 grams and the half-life is 10 hours?

Chemistry
1 answer:
zmey [24]2 years ago
7 0

Answer:

5 hours

Explanation:

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What is the correct molecular geometry for F20?
kakasveta [241]

Answer:

<h3>OF2 Molecular Geometry</h3><h3 /><h3>As only atoms are bonded with the central atom, it has a molecular geometry similar to AX2 that corresponds to linear geometry. Although the electron geometry of OF2 is tetrahedral, its molecular geometry is linear.</h3>

Explanation:

Hope it helps

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4 0
3 years ago
WILL GIVE BRAINLIEST!!
sesenic [268]

Answer:

4725.6 g of (NH4)2SO4

Explanation:

Molar mass of a substance is the number of mass of the substance contained in one mole of the substance. It is also called the formula weight of the compound. The formula mass of (NH4)2SO4 is 132 g/mol Hence;

Now we know that;

1 mole of (NH4)2SO4 contains 132 g of (NH4)2SO4

35.8 moles of (NH4)2SO4 contains 35.8 * 132/1

= 4725.6 g of (NH4)2SO4

3 0
3 years ago
Sodium bromate is used in a mixture which dissolves gold from its ores. The mass of 4.68 mol of sodium bromate is ____ g. Enter
Hitman42 [59]

706.1652 g is the molar mass of 4.68 mol of sodium bromate.

Given:

Sodium bromate is used in a mixture which dissolves gold from its ores.

Moles of sodium bromate= 4.68 mol

Molar mass of sodium bromate = 150.89 g/mol number of moles × mol

                                                       = 150.89 × 4.68

                                                       = 706.1652 g

Therefore, 706.1652 g is the molar mass of 4.68 mol of sodium bromate.

Learn more about molar mass here:

brainly.com/question/837939

#SPJ4

3 0
2 years ago
What is the energy released when a chemical compound reacts to produce new compounds?
Ghella [55]
The energy released when a chemical compound reacts to produce new compounds is called Bonding Energy.
8 0
3 years ago
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In Part 2 of the experiment, Joe first adds a buffer to his lemonade. After adding the baking soda, his lemonade is __.
Readme [11.4K]

b more likely to change pH


7 0
3 years ago
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