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Katyanochek1 [597]
2 years ago
14

Once you have gathered your research and answered all your questions, you can outline and organize your paper. You can organize

your paper any way you think is best. Following these guidelines for a five-paragraph essay is a good idea. Be sure to account for the claim you’re making in your introduction, and include a work cited page at the end.
Write an outline for your paper in the space provided. Remember, this is just an outline. You’re not writing the paper yet.
Chemistry
1 answer:
Zanzabum2 years ago
3 0

Answer:

hope you get an answer. have a good day and always remember YOU ARE GOOD ENOUGH!

Explanation:

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What do u mean by change in state of matter?define it.<br>​
ANEK [815]

Answer:

The mode of changing from one state of matter into another state and back to the former or original state is called change in state of matter .

hope it is helpful to you

7 0
3 years ago
Read 2 more answers
When magnesium burns in air, it combines with oxygen to form magnesium oxide according to the following equation. What mass in g
Kisachek [45]

Answer: The given quantity is 2 moles of magnesium or 48 g of magnesium.

The unknown quantity is mass of MgO in grams.

Molar mass of MgO = 40 g

Explanation: 2Mg+O_2\rightarrow 2MgO

As can be seen from the chemical equation, 2 moles of magnesium react with 1 mole of oxygen gas to give 2 moles of MgO.

According to mole concept, 1 mole of every substance weighs equal to its molar mass.

Thus 2\times 24= 48 g of magnesium produce=2\times 40= 80 g of MgO.

Molar mass is the mass in grams of 1 mole of the substance.

Thus if 2 moles of MgO weigh= 80 g

1 mole of MgO will weigh=\frac{80}{2}\times 1 =40g

Thus molar mass of MgO is 40 g.

6 0
3 years ago
The concentration of hydronium ions is greater than 1 × 10–7 for acidic solutions.
Talja [164]

Answer:

True.

Explanation:

  • The hydronium ion in neutral solution has the concentration of 1.0 x 10⁻⁷.

  • For acidic solution, the concentration of hydronium ions is greater than 1 × 10⁻⁷ that the pH be lower than 7.

3 0
3 years ago
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How does changing the volume or temperature of a gas affect the pressure of that gas?
Masja [62]

Answer:

When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.

Explanation:

<h2><u><em>This is all I know.</em></u></h2><h2><u><em>Hope it helps~</em></u></h2><h2><u><em>Good luck with your work!!~</em></u></h2>
6 0
3 years ago
A physical change is a change to a sample of matter in which -
Readme [11.4K]

Answer:

its FALSE

Explanation:

FAKE   ITS NOT REAL

8 0
4 years ago
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