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Colt1911 [192]
3 years ago
15

Can you unhelpful people answer this question already i'll mark you the brainlest. I'll mark you the brainlest if you answer the

question.What is the independent variable shown on this graph
A. only volume (cm³) is the independent variable

B. both volume (cm³) and mass (grams) are independent variable

C. not enough information

D. the slope of the trend line

E. only mass (grams) is the independent variable

Chemistry
1 answer:
Genrish500 [490]3 years ago
5 0
A. only volume (cm^3)

Explanation:
The independent variable is typically represented as x. It is the variable that you change during the experiment. In this graph, as volume increases, it increases the mass too. Hope this helps!
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The gas with an initial volume of 24.0 L at a pressure of 565 torr is compressed until the volume is 16.0 L. What is the final p
Reil [10]

Answer:

848 torr  

Explanation:

The only variables are the pressure and the volume, so we can use Boyle's Law.

p₁V₁ = p₂V₂

Data:

p₁ = 565 torr; V₁ = 24.0 L

p₂ = ?;            V₂ =  16.0 L

Calculations:

\begin{array}{rcl}p_{1}V_{1} & = & p_{2}V_{2}\\\text{565 torr} \times \text{24.0 L} & = & p_{2} \times \text{16.0 L}\\\text{13 560 torr} & = & 16.0p_{2}\\p_{2} & = & \dfrac{\text{13 560 torr}}{16.0}\\\\& = &\textbf{848 torr}\\\end{array}\\\text{The final pressure of the gas is $\large \boxed{\textbf{848 torr}}$}

8 0
3 years ago
1
stepladder [879]

Answer:

Magnesium

  Zinc

 Iron

Copper

Explanation:

The given elements are:

 Magnesium, copper, iron and zinc

 We are to put them in the order from the least reactive to the most reactive of all.

To solve this problem, we simply use the activity series of metals to arrange the elements.

The activity series arranges metals from the most reactive to the least reactive. The more reactive metals displaces the lesser one from solutions.

  So;

      Magnesium

       Zinc

       Iron

       Copper

3 0
3 years ago
Air pressure is greatest near the surface of the earth near the _
rewona [7]

Answer:

With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude

Explanation:

On top of Mount Everest, which is the tallest mountain on Earth, air pressure is only about one-third of the pressure at sea level.

6 0
3 years ago
Read 2 more answers
Many plants, such as the potato plant, avoid insect predation by producing highly toxic sap. However, the potato bug, unlike mos
Sliva [168]
This term is Maladaptation.
4 0
3 years ago
Read 2 more answers
How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 mililiters
Ilya [14]
<em>C = 0,75 mol/dm³</em>
<em>V = 500mL = 500cm³ = 0,5dm³</em>

C = n/V
n = 0,75×0,5dm³
<u>n = 0,375 moles</u>

<em>M NaCl:  23+35,5 = 58,5g</em>


1 mole ---------- 58,5g
0,375 ----------- X
X = 0,375×58,5
<u>X = 21,9375g NaCl</u>

:)
5 0
4 years ago
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