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Anna71 [15]
3 years ago
10

You make a salt water solution by dissolving salt in water. In order to separate the salt back out of the solution, what should

you do? A. It cannot be separated. B. Separate it with evaporation. C. Separate it with a filter. D. Separate it with a Buchner funnel.
Chemistry
2 answers:
lozanna [386]3 years ago
7 0
B - as it’s the fastest and most practical
lana66690 [7]3 years ago
4 0
B. Separate it with evaporation
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Why is water essential to living things? (1 pc
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Answer:

Living organisms need water to survive. Many scientists even believe that if any extra-terrestrial exists, water must be present in their environments. All oxygen-dependent organisms need water to aid in the respiration process. Some organisms, such as fish, can only breathe in water. Other organisms require water to break down food molecules or generate energy during the respiration process. Water also helps many organisms regulate metabolism and dissolves compounds going into or out of the body.

Explanation:

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For the reaction between solid tetraphosphorus trisulfide and oxygen gas to form solid tetraphosphorus decoxide and sulfur dioxi
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1 mole of  reacts with 8 moles of  to form 1 mole of  and 3 moles of

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3 0
2 years ago
What is the total number of Joules of heat absorbed by 65.0 grams of water when the temperature of the water is raised from 25°C
Norma-Jean [14]

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Total number of heat absorbed is 4.08kJ

Explanation:

Explanation is contained in the picture attached

5 0
3 years ago
For the reaction 2Fe + 3Cl2 → 2FeCl3 which of the following options gives the correct reactant:reactant ratio? Fe:Cl2 = 1:1 Fe:C
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<span>PbO Let's look at each of the 4 compounds and see what's needed. PbO. * Oxygen has a valance shell that's missing 2 electrons and wants to get those 2 elections. Lead donates them, so you have a Lead (II) ions. This is a correct choice. PbCl4 * Chlorine wants to grab 1 electron to fill it's valance shell and Lead donates that election. However, there's 4 chlorine atoms and every one of them wants and electron, and lead is donating all 4 of the desired electrons making the Lead (IV) ion. So this is a bad choice. Pb2O * Oxygen still wants 2 electrons and gets them from the lead. But there's 2 lead atoms and each of them donates 1 election making for 2 Lead(I) ions. So this too is a bad choice. Pb2S * Sulfur is in the same column of the periodic table as oxygen and if this compound were to exist would have similar properties as Pb2O and would have Lead(I) ions. So this is a bad choice.</span>
6 0
3 years ago
Read 2 more answers
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