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Vaselesa [24]
2 years ago
9

Which of the following pairs of compounds will react to form a precipitate? Why?

Chemistry
1 answer:
Ivanshal [37]2 years ago
4 0

Answer:

calcium chloride and silver nitrate

Explanation:

A precipitate is often formed in a double replacement reaction when the reaction yields an insoluble product.

Consider the reaction between calcium chloride and silver nitrate;

CaCl2(aq) + 2AgNO3(aq) -------->2AgCl(s) + Ca(NO3)2(aq)

AgCl is insoluble in water, hence the reaction leads to the formation of a precipitate.

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How are sound waves different from the waves in the sea or the ripples on water???
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5 0
3 years ago
A schoolbus accelerates to 65 mph and enters the freeway. It travels
Inessa [10]

Answer:

Distance cover by school bus = 149.5 miles

Explanation:

Given:

Velocity of school bus = 65 mph

Time taken by school bus = 2.3 hours

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Distance cover = Velocity x Time taken

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Distance cover by school bus = 149.5 miles

7 0
3 years ago
A sample of gas has an initial volume of 3.62 L at a pressure of 0.987 atm. If the volume of the gas decreases to 2.50 L, what w
statuscvo [17]

Answer:

0.033 atm

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PV=nRT

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P= nRT/V

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0.033 atm = pressure

3 0
3 years ago
What is the main benefit of this model?
igor_vitrenko [27]

Answer:

letter D.

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