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3 years ago

Weight measures

Chemistry

1 answer:

jasenka [17]3 years ago

5 0

Answer: D) The effect of gravity on an object

Explanation: We're not talking about mass, we're talking about weight. Weight is measured by the force of gravity on a object. For examples, you might be 100 pounds on Earth but 12 pounds on the moon.

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If 200.0 grams of aluminum chloride react with calcium, how many moles of Al are produced?

irina [24]

1.49 moles of Al will be produced. Hope this helps you.

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3 years ago

What happens to a glass of water as the average molecular kinetic energy of the water molecules increases?

trasher [3.6K]

"The water becomes warmer."
<u>Remember</u>: Kinetic energy means how much, on average, a molecule is moving around. This is directly translated into heat. Therefore, the higher the kinetic energy, the more heat produced.

4 0

3 years ago

Read 2 more answers

0.01040 m as an integer

SpyIntel [72]

Answer:

Here,

0.01040 m as an integer= 1.04 × 10-2

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2 years ago

HELP! ASAP! Iron (Fe) and copper (II) chloride (CuCl2) combine to form iron (III) chloride (FeCl3) and copper (Cu). If you start

Helga [31]

Answer: 30.978

Explanation:

From the equation 2 moles of Fe will result in 3 moles copper

so .325 moles Fe will result in .4875 moles Cu

Cu weights 63.546 gm per mole

.4875 moles * 63.546 gm / mole = 30.978 gm of Cu

7 0

2 years ago

Someone help me with this please, it’s overdue:(

Zolol [24]

Answer:

See explanation.

Explanation:

Hello there!

3. In this case, according to the given question, it turns out possible for us to say that any chemical formula, for an ionic compound, has the cation (positive) on the left and the anion (negative) on the right; thus, since Mg is a metal, which tends to lose electrons and become positively charged whereas the Cl is a nonmetal, which tends to gain electrons and become negatively charged, we have the following:

$Mg^{2+}Cl^-\\\\Mg^{2+}Cl^-_2\\\\MgCl_2$

4. In this case, since lithium is a metal, as well as magnesium, it is not possible for them to switch around their charges as they will not be bonded because they will be repelled rather than attracted because of their equal positive charges.

Regards!

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3 years ago