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tankabanditka [31]
3 years ago
11

When the magnets are misaligned, I think the magnet on the right will

Chemistry
1 answer:
mezya [45]3 years ago
3 0

Answer:

INTRODUCTION

Explanation:

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A hot metal is placed in 100.0 g sample of water and it causes the temperature of the water to increase from 25 C to 27 C. How m
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Answer: 836.8\ J

Explanation:

Given

Mass of water in the sample is m=100\ g

Temperature changes from 25^{\circ}C to 27^{\circ}C

Change in temperature is \Delta T=27-25=2^{\circ}C\ \text{or}\ 2\ K

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5 0
3 years ago
Suppose you need to make the following two precipitates (by two different precipitation reactions): MgCO3 and Ca3(PO4)2. For eac
Setler [38]

Answer:

For the first reaction the reagents are: MgCl2 and Na2CO3

For the second reaction the reagents are: Na2HPO4 and CaCl2

Explanation:

Precipitation reactions lie in the production of a compound that is not soluble, which is called a precipitate, this precipitate is produced when two different solutions are combined, each of which will contribute an ion for the formation of the precipitate. In the first reaction you have:

MgCl2 + Na2CO3 = MgCO3 + 2 NaCl

Type of reaction: double displacement

The second reaction is as follows:

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It is the reaction of sodium hydrochlorophosphate and calcium chloride

3 0
3 years ago
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