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Rashid [163]
3 years ago
5

How does technology limit the future of space exploration? A. Scientists are able to work both with current and future technolog

y. B. Scientists must first develop certain technologies before missions can be completed. C. Scientists cannot make contact with older satellites in outer space. D. There are too many devices in space interfering with taking correct measurements.
Chemistry
1 answer:
Ksju [112]3 years ago
5 0
The answer is A because just read all the answers
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The form of oxygen that combines three oxygen atoms to each molecule, is found in the stratosphere and shields out harmful UV ra
Dmitry_Shevchenko [17]
This form of the oxygen molecule is Ozone, O3.

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3 years ago
Compare and contrast the applications and benefits of circle graphs and bar charts. Explain
Naya [18.7K]

Answer:

A circle graph, or a pie chart, is used to visualize information and data. A circle graph is usually used to easily show the results of an investigation in a proportional manner. Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger.

Explanation:

In short, bar graphs are better to keep track of data over long periods of time, and circle graphs are better when you are trying to visualize a specific set of data.

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3 years ago
According to Le Chatelier’s principle, what happens when the concentration of reactants is doubled ina chemical reaction that wa
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The equilibrium shifts to the right to favor the formation of the products. Le Chatelier's principle states that a system will do what it takes to negate any changes made or added to it.
3 0
4 years ago
Read 2 more answers
Mass of oxygen produced from 0.02 moles
faust18 [17]

Answer:

0.64 g O₂

Explanation:

I am assuming you meant 0.02 moles of O₂. In that case, convert moles to mass via stoichiometry:

0.02 mol O₂ x 32 g O₂/1 mol O₂ = 0.64 g O₂

3 0
3 years ago
What mass of lithium phosphate would you mass to make 2.5 liter of 1.06 M lithium
alex41 [277]

Answer:

Approximately 3.06 \times 10^{2}\; \rm g (approximately 306\; \rm g.)

Explanation:

Calculate the quantity n of lithium phosphate in V = 2.5\; \rm L of thisc = 1.06\; \rm M = 1.06\; \rm mol \cdot L^{-1} lithium phosphate solution.

\begin{aligned}n &= c \cdot V\\ &= 2.5\; \rm L \times 1.06\; mol \cdot L^{-1}\\ &= 2.65\; \rm mol\end{aligned}.

Empirical formula of lithium phosphate: \rm Li_3PO_4.

Look up the relative atomic mass of \rm Li, \rm P,and \rm O on a modern periodic table:

  • \rm Li: 6.94.
  • \rm P: 30.974.
  • \rm O: 15.999.

Calculate the formula mass of \rm Li_3PO_4:

M(\rm Li_3PO_4) = 3 \times 6.94 + 30.974 + 4 \times 15.999 = 115.79\; \rm g \cdot mol^{-1}.

Calculate the mass of that n = 2.65\; \rm mol of \rm Li_3PO_4 formula units:

\begin{aligned}m &= n \cdot M \\ &= 2.65\; \rm mol \times 115.79\; \rm g\cdot mol^{-1} \\ &\approx 3.06 \times 10^{2}\; \rm g \end{aligned}.

5 0
3 years ago
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