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Nezavi [6.7K]
3 years ago
13

Which example correctly identifies a planet that is a gas giant and a planet that is terrestrial? A. Saturn is a gas giant; Nept

une is terrestrial. B. Jupiter is a gas giant; Venus is terrestrial. C. Mars is a gas giant; Earth is terrestrial. D. Mercury is a gas giant; Mars is terrestrial.
Chemistry
2 answers:
Feliz [49]3 years ago
6 0

Answer:

The answer is B. Jupiter is a gas giant; Venus is terrestrial.

Explanation:

Tpy6a [65]3 years ago
5 0
The answer is B. Jupiter is a gas giant; Venus is terrestrial.
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One of the hazards of nuclear explosions is the generation of 90Sr andits subsequent incorporation in place of calcium in bones.
Illusion [34]

Explanation:

Initial mass of the isotope 90-Sr in baby= 1.00 μg

Formula used :

N=N_o\times e^{-\lambda t}\\\\\lambda =\frac{0.693}{t_{\frac{1}{2}}}

where,

N_o = initial mass of isotope

N = mass of the parent isotope left after the time, (t)

t_{\frac{1}{2}} = half life of the isotope  = 28.1 years

\lambda = rate constant

N=N_o\times e^{-(\frac{0.693}{t_{1/2}})\times t}

a) Time taken by the sample, t = 18 years

N=1.00 \mu g\times e^{-\frac{0.693}{28.1 years}\times 18 years}

N = 0.6415 \mu g

0.6415 μg  will remain after 18 years.

b) Time taken by the sample, t = 70 years

N=1.00 \mu g\times e^{-\frac{0.693}{28.1 years}\times 70 years}

N = 0.1779\mu g

0.1779 μg  will remain after 70 years.

3 0
4 years ago
Fuel cells have been developed that can generate a large amount of energy. For example, a hydrogen fuel cell works by combining
solmaris [256]
Use the equation P=VI.
P=power (in this case 10 kilowatts or 10000 watts)
V=voltage (in this case unknown)
I=current (in this case 15.8 amps)
rewrite the equation to be V=P/I
V=(10000 watts)/(15.8 amps)
V=632.9 volts
(I think the equation requires the units for power to be watts so you need to convert kilowatts into watts)
6 0
3 years ago
Devin is watching two runners at the park. The runners are the same weight, and the speed that each of them is running is not ch
kupik [55]

Answer:

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5 0
4 years ago
Read 2 more answers
What is gesso? a. A technique used by many Renaissance artists b. A medium used as a surface preparation or primer for a paintin
Sholpan [36]

Gesso is a white paint blend that comprises pigment, chalk and gypsum. It is a medium utilised for surface preparation and as a primer for a painting.

<h3>What are the uses of gesso?</h3>

Gesso is widely utilized for preparing surfaces and as primers by painters. They were used by painters and artists earlier to make canvas, boards for painting purposes.

It was first formulated by chalk powder dust and pigment derived from the animal skin. They are widely used because of their adhering properties.

The use of the gesso makes the paint adhere to the canvas and the board surfaces and also, makes the surface textured.

Therefore, option b. it is used for preparing the surface is correct.

Learn more about gesso here:

brainly.com/question/1191408

5 0
3 years ago
Based on the electron configuration of the elements below, answer the question. <img src="https://tex.z-dn.net/?f=%5E%7B12%7D_6C
maks197457 [2]

Answer:

The answer to your question is 12

Explanation:

Data

Number of electrons in Phosphorus 3+ ion

Process

1.- The sign of the number after the name indicates if the element has lost or gained electrons.

If the sign is positive the element has lost electrons

If the sign is negative the element has gained electrons.

2.- Phosphorus atomic number is 15, then the number of electrons in Phosphorus 3+ will be 12, in this example, Phosphorus lost 3 electrons.

4 0
3 years ago
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