Answer:
water supply
Explanation:
A drought is a natural thing where water is dried out
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The answer is c.......................................
Answer:
55.9 g KCl.
Explanation:
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In this case, according to the definition of molality for the 0.500-molar solution, we need to divide the moles of solute (potassium chloride) over the kilograms of solvent as shown below:

Thus, solving for the moles of solute, we obtain:

Since the density of water is 1 kg/L, we obtain the following moles:

Next, since the molar mass of KCl is 74.5513 g/mol, the mass would be:

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The constituents of petroleum that are used for the following purposes are as follows:
- To make candles ----- Paraffin wax
- A solvent for dry cleaning ----- Petrol
- For surfacing roads ----- Bitumen
- Jet engine fuel ----- Kerosene
- For lubrication ----- Lubricating oil.
<h3>What are the constituents of petroleum?</h3>
The constituents of petroleum are LPG, bitumen, paraffin wax, lubricating oil, kerosene, diesel, etc. These compounds are a mixture of hydrocarbons.
Therefore, each constituent of petroleum that is used for the following purposes is mentioned above with proper names.
To learn more about constituents of petroleum, refer to the link:
brainly.com/question/17023299
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Answer:
The primary use of aluminum oxide is the manufacture of aluminum metal. When an electric current is passed through molten (melted) aluminum oxide, the compound breaks down to form aluminum metal and oxygen gas.
Explanation: