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Galina-37 [17]
3 years ago
15

_________ takes place when the composition of the rock changes​

Chemistry
1 answer:
MissTica3 years ago
4 0
Chemical weathering
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A team of geologists is surveying on a mountain. They come across a newly formed stream. The stream is flowing at an average rat
zhannawk [14.2K]

Answer:

35 minutes

Explanation:

The flow rate of the stream is the rate of volume of water with respect to time. It expresses the volume of water flowing per unit time.

Flow rate = \frac{volume}{time}

From the given question,

average flow rate of the stream = 420 cubic meters per minute, and the required volume = 14700 cubic meters.

So that;

time = \frac{volume}{flow rate}

       = \frac{14700}{420}

       = 35

time = 35 minutes

Therefore, with the given average flow rate, the steam will produce 14,700 cubic meters of water in 35 minutes.

6 0
3 years ago
Order the levels of organization from the smallest (1) to the largest (4).
yKpoI14uk [10]

Answer:

cells=1

organ=3

organ system=4

tissue=2

Explanation:

i just did the question right now and i got them all correct.

3 0
3 years ago
When calculating percent error, the accepted value is in the denominator <br> True or false
kaheart [24]

Answer:

True

Explanation:

8 0
3 years ago
Read 2 more answers
A container of a mixture of 4 gases has a total pressure of 35.7 kPa. Gas A has a partial pressure of 7.8kPa. Gas B has a partia
Maurinko [17]

Answer:

partial pressure of gas D Pd = 15.5 kPa

Explanation:

As per the Dalton's law of partial pressure, in a mixture, pressure exerted by each gas when summed gives the total partial pressure exerted by mixture.

P(Total) = P1+P2+P3.....

Given P(Total) = 35.7 kPa

Partial pressure of gas A Pa = 7.8 kPa

Partial pressure of gas B Pb = 3.7 kPa

Partial pressure of gas C Pc =  8.7 kPa

There, Partial pressure of gas D Pd = P(Total) -(Pa+Pb+Pc)

Pd = 35.7-(7.8+3.7+8.7) = 35.7-20.2 kPa = 15.5 kPa

Therefore, partial pressure of gas D Pd = 15.5 kPa

4 0
3 years ago
Which of the following bases can remove a proton from formic acid in a reaction that favors products?
Debora [2.8K]
Hydroxide ion is a strong  and would react with H+ to form water 

OH-+H+---->H2O
7 0
3 years ago
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