Research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy source. Which statement best describes the benefits that would make the investment worthwhile?
Fusion requires a large amount of energy and occurs in stars.
Fusion produces large amounts of energy, and the fuel is found on Earth.
Fusion produces no radioactive waste, and the fuel is plentiful.
Fusion requires little energy to begin and would continue through a chain reaction.

Answers

Answer 1

Answer:

The statement that best describes the benefits that would make the investment worthwhile is C. Fusion produces no radioactive waste, and the fuel is plentiful.

What is Nuclear Fusion?

This refers to the nuclear reaction that occurs when atomic nuclei combine to form subatomic particles.

Hence, we can see that from the given excerpt, it is stated that the research into nuclear fusion would need a large investment and the benefit of this is found in option C.

Read more about nuclear fusion here:

brainly.com/question/17870368

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Answer 2

Answer:

The statement that best describes the benefits that would make the investment worthwhile is as follows: fusion produces large amounts of energy, and the fuel is found on Earth.

What is nuclear fusion?

Nuclear fusion is the act of combining the nuclei of small atoms to form the nuclei of larger ones, with a resulting release of large quantities of energy.

According to this question, research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy source.

However, a beneficial property of nuclearfusion that makes the investment worthwhile is that fusion produces large amounts of energy, and the fuel is found on Earth.

Learn more about nuclear fusion at: brainly.com/question/12701636

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Which of the following statements is true? a. Ag(s) reacts spontaneously with 1 M H+(aq). b. Ag(s) reacts spontaneously with Ni2+. c. Ag(s) reacts spontaneously with 1 M NO3– in 1 M H+(aq). d. Ni2+ reacts spontaneously with 1 M H+(aq) to form H2. e. Ni2+ reacts spontaneously with H2(g).

Answers

Answer:

Correct answer is a. Ag(s) reacts spontaneously with 1M H+(aq).

Explanation:

A charasteristic of metals is that they lose easily electrons, cations tends to gain electrons to react and anions tends to lose or share electrons to react.

If you want to make a chemical reaction you must to mix a reagent that tends to lose electrons with other that tends to gain them.

In the statement (a) we have a metal that loses electrons and a cation that can obtain them, so is the right answer.

note that the other optios have :

b) Metal with metal cation, not react beacause left a medium of reaction.

c) Both loses electrons

d) Both tends to gain electrons.

Carbon disulfide is prepared industrially by reacting carbon with sulfur dioxide according to the above equation. If 70.8 g of carbon react, how many moles of CS2 are produced? Show all work, include all units, and box your answer.

Answers

Answer:

1.18 moles of CS₂ are produced by the reaction.

Explanation:

We present the reaction:

5C + 2SO₂ → CS₂ + 4CO

5 moles of carbon react to 2 moles of sulfur dioxide in order to produce 1 mol of carbon disulfide and 4 moles of carbon monoxide.

As we do not have data from the SO₂, we assume this as the excess reagent. We convert the mass of carbon to moles:

70.8 g / 12 g/mol = 5.9 moles

Ratio is 5:1, so 5 moles of carbon react to produce 1 mol of CS₂

Then, 5.9 moles will produce (5.9 . 1) / 5 = 1.18 moles

A solution contains 20.0 g of C6H12O6 (glucose) in 250 g. of water.A. what is freezing point depression of solvent?

Answers

Answer:

The freezing point depression of solvent is 0.8265 K.

Explanation:

Mass of glucose = 250 g

Mass of solvent = 20.0 g = 0.020 kg

Molal depression water constant of water, $K_f$ = 1.86 K kg/mol

Molality of the solution = $(20 g)/(180 g/mol* 0.250 kg)=0.4444 mol/kg$

Normal freezing point of water = $T=273 K$

Freezing point of solution = $T_f$

$\Delta T_f=T-T_f$

$\Delta T_f=K_f* molality=1.86 K kg/mol * 0.4444 mol/kg=0.8265 K$

The freezing point depression of solvent is 0.8265 K.

Molar mass glucose = 180 g/mol

number of moles:

20 / 180 = 0.111 moles

Δ t f * ( Kf) *( i ) * ( m )

250 g of water in Kg = 250 / 1000 = 0.25 kg

1.86 ºC/m * 0.111 / 0.25

1.86ºC/m * 0.444

= 0.82584ºC

Fp = 0ºC - 0.82584

Fp = - 0.82584ºC

hope this helps!

One of the of sulfur is represented as sulfur-35 or S- 35. What does the number 35 signify?

Answers

35 is the mass number of this isotope of Sulphur.

the mass number of an isotope of sulphur i.e number of neutron has increase changing it from 32 to 35 bt the atomic number remains the same i.e 16
hope this helps*winks*

In a fission reaction of U-235, there was a release of 9.20 × 1011 kJ of energy. What amount of mass in kilograms would have been lost?Recall that c = 3 × 108 m/s.