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Fittoniya [83]
3 years ago
6

PLEASE HELP ASAP!!!

Chemistry
2 answers:
sladkih [1.3K]3 years ago
8 0
A binary phase or binary compound is a chemical compound containing two different elements
vampirchik [111]3 years ago
3 0

Answer:

the correct answer is

a compound composed of two different elements

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Noah and Nina are 15 m apart in a closed room. Noah says the same sentence twice. The first time, Nina does not hear the sound,
In-s [12.5K]

The air molecules in the compressions of the second wave are denser, so the sound is louder.

<h3>What is a sound wave?</h3>

Sound waves are longitudinal waves that travel through a medium like air or water.

In a closed room, Noah and Nina are sitting 15 m apart.

As Noah says the same sentence twice, Nina does not hear the sound the first time but she does hear the sentence the second time.

This happens as the air molecules in the compressions of the second wave are denser. As a result, the sound is louder.

The correct option is ''The air molecules in the compressions of the second wave are denser, so the sound is louder''.

Learn more about the sound wave here:

brainly.com/question/1554319

#SPJ1

5 0
1 year ago
What kind of graph would use for this data? The months of the year and the amount of rainfall, and why
Digiron [165]

Answer:

A Desert Climatogram is a graph that shows the temperature and rainfall, for each month in the year, for the Desert.

Explanation:

6 0
3 years ago
Given a 1.50 Liters of solution that contains 62.5 grams of magnesium oxide. What is the Molarity of that solution? Please show
zhenek [66]
Given:
1.50 L
62.5 grams
and the MM of MgO: 40.31 g/mol

Molarity: mol/L

First, find mol.

62.5 g x 1mole ÷ 40.31 g = 1.55 mol

then divide mol and the given liters

1.55mol ÷ 1.50 L= 1.03 M
3 0
3 years ago
PLEASE HELP ME ASAP I WILL MARK BRAINLYEST
Dafna11 [192]

If the soil reacts with vinegar it's ph level is higher than 6.5

8 0
2 years ago
The following molecular equation represents the reaction that occurs when aqueous solutions of silver(I) nitrate and barium chlo
mrs_skeptik [129]

Answer:

Hey, I hope this helps. You gave the equation already balanced so there was no need to do so, the next thing we need to do after balancing is to split the strong electrolytes into ions. Once that is completed we cross off any reoccurring ions. That leaves us with our complete net ionic.

I also recommend you check out Wayne Breslyn on Yt. He is so helpful with equations like these.

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2 years ago
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