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velikii [3]
3 years ago
15

Explain how Newton's idea about inertia has helped in astronomy?

Chemistry
2 answers:
MrRa [10]3 years ago
8 0

Answer: A

Explanation:

lilavasa [31]3 years ago
3 0

Answer:

the answer is  A  because  when something is going straight  it wont change unless its acted  upon by a force

Explanation:

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What is the perecentage yield of a reaction in which 200g PCl3 reacts with excess water to form 128g HCl according to the f.F re
castortr0y [4]

Answer:

The percentage yield is 80.36% (see calculations in attachment).

Explanation:

The theoretical  yield of the reaction is the <u>amount of product that would result if all the  limiting reagent reacted.</u> The theoretical yield is calculated using the balanced equation.

In practice, the actual yield, or the <u>amount of  product actually obtained from a reaction</u>, is almost always less than the theoretical  yield.

To determine how efficient this reaction is, we need to calculate the percent  yield, which describes the <u>proportion of the actual yield to the theoretical yield.</u> It is  calculated as follows:

%yield = actual yield ÷ theoretical yield × 100%

First we need to make sure that the equation is properly balanced. In the question they provide the balanced equation.

Since water is in excess, we calculate the theoretical yield using PCl₃.

6 0
3 years ago
What would the ionic formula be for the following ionic compound:
skad [1K]
Sodium + Bromine is NaBr
6 0
3 years ago
Who suggested the idea of continental drift and the existence of an original supercontinent? NEED HELP ASAP WILL MARK BRAINLIEST
Grace [21]

Answer:

B)Wegener

Explanation:

4 0
3 years ago
According to Bowen's reaction series, crystal settling should result in the magma being separated in lower layers rich in the ea
monitta

Answer:

quartz and olivine

Explanation:

According to my research on studies made by different geologists on Bowen's reaction series, it is known that crystal settling should result in the magma being separated in lower layers rich in the early-formed quartz and olivine minerals.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

6 0
4 years ago
Which statement is true of a chemical change?. A.. It involves changes in the molecular structure.. B.. It involves changes in p
drek231 [11]
A is the answer. Chemical changes happen when atomic bonds are broken or created during chemical reactions. Hence, in this case, it involve changes to molecular structure.

- Change in states are physical changes.

- When salts are dissolved in water, you can use Distillation to separate them. Distillation is a physical change as well.

- Dissolving is just physical change.
3 0
4 years ago
Read 2 more answers
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