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11111nata11111 [884]
4 years ago
7

Choose all the answers that apply.

Chemistry
2 answers:
kkurt [141]4 years ago
8 0
The very last option!
Darya [45]4 years ago
4 0

1. Be inorganic

3. Be made naturally

4. Have a crystalline structure

6. Have a homogeneous composition

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You can tell if its a living thing from a microscope by its movement 
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3 years ago
According to the first law of thermodynamics, what quantity is conserved?.
erik [133]

Answer:

energy

Explanation:

The First Law of Thermodynamics (Conservation) states that energy is conserved, it cannot be created nor destroyed.

5 0
2 years ago
What is the percent mass/volume of sodium chloride solution made by dissolving 5.0 grams of sodium chloride in 40.0 ml of soluti
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3 years ago
Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3 ( is ) . The equation for the
gayaneshka [121]

Answer: 25.89g of O2 (g)

Explanation:

We begin by finding the molar mass of compounds of interest in the given equation. 2 KClO3 ⟶ 2 KCl + 3 O 2

1  mole of KCLO3 = 39 .10 + 35.5 + (3x16) = 122.55g, 2Moles would be 2 x 122.5 = 245.1g

1 mole Oxygen gas = 32g, 3 moles would be, 3 x 32= 96g

According to the equation;

245.1g of KCLO3 produces 96g of O2 (g)

If 1g of KCLO3  produces  96÷245.1  of O2 (g)  from heating.

66.1g of KCLO3 would produce; 96÷245.1  x 66.1 = 25.89g of O2 (g) from heating.

                                               

5 0
4 years ago
Can anyone explain how to do this?
Roman55 [17]

Answer:

hello u need help? 9i0

Explanation:

3 0
3 years ago
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