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kolezko [41]
3 years ago
8

Where Did the Water

Chemistry
1 answer:
vekshin13 years ago
3 0

Answer:

Axel: Much of the water is in the air around us.

Explanation:

When a puddle of water forms on the ground, it indicates that much of the ground around it is saturated with water and as such, the water would not readily soak into the ground. Also, since the puddle was found in a park, it is not likely that the water has gone into a stream, river, pond, lake, or ocean.

Since, the day was a sunny, it means that the heat from the sun has caused the evaporation of the water molecules. However, the water vapor molecules do not just immediately rise up to the atmosphere to form clouds nor do they cease to exist, rather it is dispersed in the air around the surroundings and beyond. Formation of clouds by water vapor takes days to happen.

Also, the water has not changed to fog either as they form usually at cooler temperatures.

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Answer:

The reaction forming aluminum bromide is Al + 3Br2 → 2AlBr3

6 0
3 years ago
Write this measurement in scientific notation: 0.000130 L
oksano4ka [1.4K]

Answer:1.30 x 10 to the 4th

Explanation:

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4 years ago
The balance you used for weighing the metal strip does not zero properly, and consequently, all of your mass measurements are hi
laila [671]

The  experimental value of Avogadro's number will be ±0.050.

<h3>What is the degree of accuracy?</h3>

The degree of accuracy refers to the extent to which a measurement is correct. Now we know that the measurement obtained by an instrument is as correct as its degree of accuracy.

Hence, given that the margin of error is about 0.050, the  experimental value of Avogadro's number will be ±0.050.

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8 0
2 years ago
If 146.5 g of chromium(lll) chlorate decomposes, what mass of oxygen can be produced?
Vinil7 [7]

Answer:

The Equation for this reaction is as follow,

                               2 Cr(ClO₃)₃    →    2 CrCl₃  +  9 O₂

According to eq,

      604.68 g (2mole) of Cr(ClO₃)₃ produces  =  288 g (9 moles) of O₂

So,

                 146.5 g of Cr(ClO₃)₃ will produce  =  X g of O₂

Solving for X,

                             X  = (146.5 g × 288 g) ÷ 604.68 g

                    X  =  69.77 g of O₂

8 0
3 years ago
for the reaction shown compute the theoretical yield of product in moles each of the initial quantities of reactants. 2 Mn(s)+3
Y_Kistochka [10]

Answer:

2 mole MnO₂

Explanation:

2Mn(s) + 2O₂(g) => 2MnO₂(s)

4 0
4 years ago
Read 2 more answers
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