3 years ago

BRAINLIESIT IF CORRECT 1

Chemistry

2 answers:

sergey [27]3 years ago

6 0

Answer:

Reflected

Explanation:

I hope you get it right!!

k0ka [10]3 years ago

4 0

Answer: absorbed

Explanation: darker colors absorb more light and heat

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10/28 11. If the subscript indicating the quantity of a particular element in an ionic formula would be one, the numerical value

melomori [17]

Answer:

false

Explanation:

it is false because it soulds right and i just did the quiz!!

7 0

3 years ago

A saline solution contains 72.3 grams of NaCl in 500.0 mL if water. What is the concentration (Molarity) of this solution?

valina [46]

Answer:

2.47 M

Explanation:

Molarity is (mol of solute)/(L of solvent). To find molarity, convert grams of NaCl to moles of NaCl and milliliters of water to liters of water.

72.3 g ÷ 58.44 g/mol = 1.2372... mol

500 mL ÷ 1000 mL = 0.5 L

Molarity = 1.2372/0.5 = 2.47 M

7 0

3 years ago

You can observe the color of your friends shirt with your eyes because

k0ka [10]

The answer is B. light is reflected off the shirt

8 0

3 years ago

An experiment was set up to test the hypothesis that all plants will grow faster in a "super soil" versus regular potting soil.

dolphi86 [110]

Answer:

add more types of plants

Explanation:are you kidding me i’m doing this stuff and i’m in 7th grade

5 0

4 years ago

Predict the products of hydrobromic acid, H B r , reacting with magnesium hydroxide, M g ( O H ) 2 . Select one or more:

Aliun [14]

Answer:

Magnesium bromide, MgBr2, and water, H2O.

Explanation:

Hello!

In this case, since HBr is an acid and Mg(OH)2 is a base, an acid-base reaction is undergone, by which a salt and water are produced as neutralization products:

$HBr+Mg(OH)_2\rightarrow MgBr_2+H_2O$

However, it need to be balanced since two bromine atoms are produced, therefore we write:

$2HBr+Mg(OH)_2\rightarrow MgBr_2+2H_2O$

Thus, the products are magnesium bromide, MgBr2, and water, H2O.

Best regards!

6 0

3 years ago