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Reptile [31]
3 years ago
7

Write a balanced equation for the following:

Chemistry
1 answer:
Ket [755]3 years ago
7 0

(ANS1)— P4 + 5O2 ---> 2P2O5

(ANS2)— C3H8 + 5O2---> 3CO2 + 4H20

(ANS3)— Ca2Si + 4Cl2 ---> 2CaCl2 + SiCl4

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What percentages of atoms are heavier than hydrogen and helieum?
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Look at a periodic table. Ptable.com is great. Amu= g/mol which is found under the symbol. divide the number heavier by the total and multiply by 100 to get percent.
3 0
3 years ago
Convert .0150 km to meters and express the correct significant figures
weeeeeb [17]
<h3>Answer:</h3>

15.0 meters

<h3>Explanation:</h3>
  • Kilometers are units used to measure length.
  • Length is also measured using other units which include meters, centimeters, decimeter, millimeter, etc
  • To convert one unit to another we use conversion factors.

In this case to know inter-conversion between units of measuring length, we consider the following;

Kilometer(km)

10

Hectometer(Hm)

10

Decameter(dam)

10

Meter (M)

10

Decimeter (dm)

10

Centimeter (cm)

10

Millimeter (mm)

Therefore, to convert km to meter we use the conversion factor (10×10×10) 1000 m/km.

Thus;

0.0150 km is equivalent to;

= 0.0150 km × 1000 m/Km

= 15.0 meters

Thus, 0.0150 km is equivalent to 15.0 meters.

4 0
3 years ago
An ideal gas contained in 5.0 liter chamber at a temperature of 37°C. If
kodGreya [7K]

Answer:

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Explanation:

8 0
3 years ago
HELPPPPP!!<br><br>How can more water vapor get cold over one side of an island?
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Answer:

Troposphere and Atmosphere In this chapter, students learn that water vapor condenses as it moves higher to where the atmosphere is colder. This idea helps students explain why more rain forms over West Ferris than East Ferris.

Explanation:

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During the experiment is when data is
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The answer is A. You record ,write down, what is happening with the experiment.
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