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Anit [1.1K]
3 years ago
10

Weather, such as thunderstorms or rain showers, takes place in the _____. A. troposphere B. mesosphere C. stratosphere D. thermo

sphere
Chemistry
2 answers:
cestrela7 [59]3 years ago
8 0
Hello there, the correct answer is:

B.
sasho [114]3 years ago
6 0
Answer is A)<span> troposphere</span>
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A company desires to produce nickel from refining nickel oxide and sulfide ores. the first step of the process will produce a ni
inn [45]
Answer is: increase the concentration of NiCO₄ and <span>withdraw CO from the products as it is forming.

Balanced chemical reaction: NiCO</span>₄(g) ⇄ Ni(s) + 4CO(g).
According to Le Chatelier's Principle the position of equilibrium moves to counteract the change:
1) the position of equilibrium will move to the right, so that the concentration of nickel carbonyl gas decreases again and produce more nickel.
2)  the position of equilibrium will move to the right, if we decrease concentration of carbon monoxide, more nickel carbonyl gas will decompose and produce more nickel.

4 0
3 years ago
esulfur burns easily .Iron is attracted by magnets .the mineral made by sulfur and iron ,but it does not burn and it is not attr
vladimir2022 [97]
The mineral is Iron Sulphide. It is not a mixture, but a compound. A mixture is when two substances are together, but not chemically bonded. For example, if I add food colouring to water, I have made a mixture because the food colouring has not chemically bonded to the water. If I react Iron with Suphur, the resulting substance is a compound. The resulting mineral will not burn or be magnetic because the compound has different properties to the elements themselves. For example, chlorine gas is toxic and sodium reacts violently with water, but sodium chloride is table salt, nor toxic nor explosive. Hope this helps
3 0
3 years ago
(100 points) Atleast 5 slogans on saving fuel.
Inessa05 [86]

Answer:

Save Fuel, Save Earth

Fuel and time wait for none!

Be wise, don’t waste fuel

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6 0
2 years ago
Read 2 more answers
White phosphorus (P4) is used to produce phosphorus oxides, such as P4O10. How many kilograms of P4O10 would be produced from 41
eduard

Answer:

0.93956kg

Explanation:

Equation for the reaction is given as;

P4 + 5O2 --> P4O10

From the equation, 1 mole of P4 produces 1 mole of P4O10.

Mass = Number of moles * molar mass

Mass of P4 = 1 mol * 123.88 g/mol = 123.88 grams

Mass of P410 = 1 mol * 283.886 g/mol = 283.886 g

This means 123.88 grams of P4 produced 283.886 g of P4O10.

How many kilograms of P4O10 would be produced from 410. g of pure P4 ?

123.88 = 283.886

410 = x

x = (410 * 283.886 ) / 123.88

x = 939.56g

Upon converting to Kilogram by dividing by 1000

x = 0.93956kg

8 0
3 years ago
At stp, a 12.0 liter sample of CH4 has the same total number of molecules as
Elden [556K]

Option 2: 12.0 L of CO_{2} (g) at STP.

The standard pressure and temperature values are 1 atm and 273.15 K.

Using the ideal gas equation, number of moles of gas can be calculated which is as follows:

PV=nRT...... (1)

Here, P is pressure, V is volume, n is number of moles, R is gas constant and T is temperature.

Also, in 1 mole of any gas there are 6.023\times 10^{23} molecules of the gas. This is known as Avogadro's number and denoted by symbol N_{A}

Thus,

N=n\times N_{A}

Equation (1) can be rewritten as follows:

PV=\frac{N}{N_{A}}RT

On rearranging,

N=\frac{P\times V\times N_{A}}{R\times T}

Here, all the other terms are constant except volume, thus, gas with volume equal to the volume of CH_{4} will have same number of molecules.

Volume of CH_{4} gas and CO_{2}gas is same thus, CH_{4} will have same total number of molecules as  CO_{2} gas.


5 0
3 years ago
Read 2 more answers
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