3 years ago

Valid experiment for does water and oil mix

Chemistry

1 answer:

bonufazy [111]3 years ago

8 0

Answer: Water and oil cannot mix

Explanation:

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Indicate the number of protons, neutrons, and electrons in each of the following species: 15N7, 33S16, 63Cu29, 84Sr38, 130Ba56,

evablogger [386]

Answer:

1. 7 protons, 7 electrons, 8 neutrons

2. 16 protons, 16 electrons, 17 neutrons

3. 29 protons, 29 electrons, 34 neutrons

4. 38 protons, 38 electrons, 46 neutrons

5. 56 protons, 56 electrons, 74 neutrons

6. 74 protons, 74 electrons, 112 neutrons

7. 80 protons, 80 electrons, 122 neutrons

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3 years ago

The controlled Release of nuclear energy in a creator is accomplished by: allowing the critical mass of fuel to react . Controll

pishuonlain [190]

Answer:

If a chain reaction takes place, the amount of energy released would increase exponentially, so in order to control the energy release, fission must be controlled without controlling a chain reaction, so the third option is correct.

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Explanation:

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3 years ago

In a double-replacement reaction, the _____.

givi [52]

In a double-replacement reaction, the _____.?

There are many more interesting things to ask about double replacement reactions than are contained in the list given here. But the only correct choice is:

C.reactants are two ionic compounds

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3 years ago

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What is the balanced net ionic equation including phases for K2SO4 and SrI2

Triss [41]

Answer:

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

Explanation:

Step 1: Write a properly balanced equation with states:

K2SO4(aq) + Srl2(aq) → 2KI(aq) + SrSO4(s)

Step 2: write the full ionic equation with states. Remember to keep molecules intact. Only states (aq) will dissociate, (s) will not dissociate . This means SrSO4 won't dissociate.

2K+(aq) + SO42-(aq) + Sr 2+(aq) + 2I-(aq) → 2K+(aq) + 2I-(aq) + SrSO4(s)

Step 3: Balanced net ionic equation

Sr 2+(aq) + SO42-(aq) → SrSO4(s)

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3 years ago

Help, I need this quick. Someone please.

timofeeve [1]

Answer:

the answer to that question is d

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3 years ago