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Lena [83]
3 years ago
8

Please help!Gravity and magnetism are examples of?​

Chemistry
1 answer:
densk [106]3 years ago
5 0

Separation of materials

Refrigerator magnets to open and close doors

lawn mowers

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ZanzabumX [31]
C
Explanation- equals 459
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3 years ago
When a substance experiences a phase change it is still the same substance, just in a different form. True of or false
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How many grams of carbon dioxide are created from the complete combustion of 21.3 L of butane at STP?
Bond [772]

Answer:

165.5 g of CO2

Explanation:

We must first put down the balanced reaction equation:

C4H10(g) + 13/2 O2(g) ------> 4CO2(g) + 5H2O(g)

From the reaction equation, one mole of butane occupies 22.4 L hence we can establish the stoichiometry of the reaction thus:

22.4 L of butane created 174 g of CO2

Therefore 21.3 L of butane will create 21.3 × 174/22.4 = 165.5 g of CO2

3 0
4 years ago
Carbonates are typically insoluble, but one exception would be a carbonate containing what kind of cation? a) ammonium b) a tran
KATRIN_1 [288]

For a carbonate containing a kind of cation, we have that Option 1 is the correct answer: ammonium.

<h3>What are Carbonates?</h3>

Generally, Any of two families of chemical substances generated from carbonic acid or carbon dioxide is referred to as carbonate.

In conclusion, Sodium, potassium, and ammonium are the three carbonates that are soluble.

Read more about Compound

brainly.com/question/704297

4 0
2 years ago
Which of the following is a half-reaction? A. Zn+CuSO4−&gt; B. 2Cl−−&gt;Cl2+2e− C. H2+1/2O2−&gt;H2O D. −&gt;Cu+ZnSO4
malfutka [58]

Answer:

2Cl——>Cl2+2e-

Explanation:

It shows an electron loss or gain

8 0
3 years ago
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