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8090 [49]
3 years ago
12

Chemistry

Chemistry
1 answer:
kaheart [24]3 years ago
5 0
Mallebable- a material that is able to be hammered or pressed permanently without breaking .
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I kind of get how to do this but don’t fully #’s 2, 3, and 4
raketka [301]

Answer:2. 109 g NaCl

3. 31.9 g ZnCl2

4. 15.4 g Al2O3

Explanation: First find moles of the given compound

Next do the mole ratio between both compounds

Convert moles to mass.

7 0
4 years ago
Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to 85.0°F. The specific heat of
MAXImum [283]

Here we have to calculate the heat required to raise the temperature of water from 85.0 ⁰F to 50.4 ⁰F.

10.857 kJ heat will be needed to raise the temperature from 50.4 ⁰F to 85.0 ⁰F

The amount of heat required to raise the temperature can be obtained from the equation H = m×s×(t₂-t₁).

Where H = Heat, s  =specific gravity = 4.184 J/g.⁰C, m = mass = 135.0 g, t₁ (initial temperature) = 50.4 ⁰F or 10.222 ⁰C and t₂ (final temperature) = 85.0⁰F or 29.444 ⁰C.

On plugging the values we get:

H = 135.0 g × 4.184 J/g.⁰C×(29.444 - 10.222) ⁰C

Or, H = 10857.354 J or 10.857 kJ.

Thus 10857.354 J or 10.857 kJ heat will be needed to raise the temperature.

6 0
3 years ago
What kind of waves do light waves travel in and how do they move
IgorLugansk [536]
Light is one form of energy that travels in electromagnetic waves. This energy is both magnetic and electrical. There are many different types of electromagnetic (EM) waves.
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2 years ago
The metric unit of force is the<br> A. nanometer.<br> B. gram.<br> C. newton.<br> D. kilogram.
maks197457 [2]
B. Newton
Is the metric unit of force
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What is the combination of atoms Formed by a covalent bond
zysi [14]

Answer:

Explanation:

In a polar covalent bond, the distribution of common electrons are not shared evenly due to a greater positive charge from one atom's nucleus.Oct 30, 2016

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