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Naddik [55]
2 years ago
5

#1-9: Write M for Mercury, V for Venus, or B for both planets in the blank before each statement below.

Chemistry
2 answers:
Tanya [424]2 years ago
7 0

Answer:

1. B

2. M

3. V

4. M

5. M

6. V

7. B

8. M

9. V

10. V

11. Red

12. Approx. 1/4 - 1/2 an earth year

Explanation:

denpristay [2]2 years ago
5 0

Answer:

1.M

2.V

3.B

4.V

5.M

6.V

7.M

8.V

10.B

11.V

12.M

Explanation:

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Why is knowing the density of water important to us? Give a reasonable answer
Ahat [919]
Measuring density is very important for many different industries because the density measurement will help determine the characteristics of a material, for example, whether the material will float or sink. Knowing the density of a material helps in determining the mass and volume of a material, all of which are extremely important measurements in all industries.

11




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8 0
2 years ago
Water is a polar molecule. What does that mean?
aalyn [17]
The answer. Is c I hope this helps
7 0
3 years ago
Read 2 more answers
A mixture of so2(g) and o2(g), formed by the complete decomposition of so3(g), is collected over water at 34°c at a total pressu
Sedbober [7]
The decomposition of so3 to so2 gas and o2 gas can be described in the balanced chemical equation: 

2so3(g) = 2 so2 (g) + 02(g). 

so assuming a complete reaction, the ratio of so2 gas to total products is 2/3 while that of 02 is 1/3. 

Subtracting water's water vapor pressure, 760-40 mm hG = 720 mm Hg.

then the products partial pressures are

so2 = 2/3 * (720) = 480 mm Hg.
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8 0
3 years ago
0.467 mol NaCl are needed to
Alisiya [41]

Answer:

27.4 gram is the solution it's simple dude...

Explanation:

don't be afraid of huge question they confuse you you need not to be confused

now see simple solution

molality is denoted by m

so

m= moles of solute / mass of solvent in kg.

i hope your know the meaning of solute and solvent....

so moles are given 0.467

and molar mass is given 58.44

so just take out the gram means

by applying formula

58.44×0.467

it will give 27.4 grams simple.....

8 0
2 years ago
Define significant figure. Discuss the importance of using the proper number of significant figures in measurements and calculat
anastassius [24]

Explanation:

Significant figure is the measure of how accurately something can be measured. It carries meaning contributing to its measurement resolution. It is important to use proper number of significant figures to get a precise measurement. For example, if we use a meter stick then measurements like 0.874 meters, or 0.900 meters, are good because they indicate that we can measure to the nearest millimeter. Whereas a measurement like 0.8 does not tell that a meter stick can measure to the nearest millimeter.

7 0
3 years ago
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