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alexira [117]
3 years ago
15

Please only answer if you are 100% sure it's a major grade. . 35 POINTS

Chemistry
2 answers:
pickupchik [31]3 years ago
6 0

Answer:

B

Explanation:

since the farther you go out in the atmosphere the temperature decrease and the air pressure drops

Jobisdone [24]3 years ago
5 0
The answer is B. Changes in air pressure and temperature. The changes in air temperature are often influenced by the increase in altitude, where the increase in altitude leads to a decrease in temperature, the same is true for the opposite!
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Periodic Table: Why are group 1A elements called alkali metals?
FrozenT [24]

Answer:

Explanation:

The elements in Group I of the periodic table are called alkali metals. They are called alkali metals because they react with water to form alkali solutions. These metals are very reactive; hence they have to be stored under oil to protect them from corrosion by air and waterwaterwater

5 0
2 years ago
What is the name of this compound
lys-0071 [83]

Answer:

horizontal

Explanation:

5 0
3 years ago
SOMEONE PLS HELP
Gekata [30.6K]

Answer:

<h2>464.85 mL</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we're finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

100.7 kPa = 100,700 Pa

95.1 kPa = 95,100 Pa

We have

V_2 =  \frac{100700 \times 439}{95100}  =  \frac{44207300}{95100}  \\  = 464.8506...

We have the final answer as

<h3>464.85 mL</h3>

Hope this helps you

6 0
3 years ago
Enter the net ionic equation for this reaction. Express your answer as a net ionic equation. Identify all of the phases in your
Lisa [10]

Answer:

2H+(aq) + 2OH-(aq) → 2H2O(l)

Explanation:

Step 1: The balanced equation

2HCl(aq)+Ca(OH)2(aq) → 2H2O(l)+CaCl2(aq)

This equation is balanced, we do not have the change any coefficients.

Step 2: The netionic equation

The net ionic equation, for which spectator ions are omitted - remember that spectator ions are those ions located on both sides of the equation - will.

2H+(aq) + 2Cl-(aq) + Ca^2+(aq) + 2OH-(aq) → 2H2O(l) + Ca^2+(aq) + 2Cl-(aq)

After canceling those spectator ions in both side, look like this:

2H+(aq) + 2OH-(aq) → 2H2O(l)

6 0
3 years ago
Which is a complex molecule?<br><br> a. H2<br><br> b. Ne<br><br> c. Co<br><br> d. H20
eimsori [14]

Explanation:

d.

h{}^{2} o

3 0
3 years ago
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