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mario62 [17]
2 years ago
9

Jupiter has about 317 times more mass than Earth. What can you infer from this fact?

Chemistry
2 answers:
satela [25.4K]2 years ago
8 0

Answer:

B

Explanation:

It has a greater mass HOPE THIS HELPS l_l

Ganezh [65]2 years ago
6 0

Answer:

B

Explanation:

it is bigger then earth so it will have a greater mass.

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What kind of thermochemical equation is represented below?
ryzh [129]
The  kind  of  thermochemical  equation  represented  below 

that  is
CaO(s)  + H2O (l)  =  Ca(OH)2 (s)  +65.2  kj

is exothermic  (  answer  B)
  This  is  because  its  heat  energy  has  a  +  sign  meaning  that  heat  is  released  by  the  reaction  above.
6 0
3 years ago
Calculate: A. Mercury has a specific Heat Capacity of 0.14 J/goC. How much heat is needed to raise the thermometer temperature 1
kari74 [83]

Answer:

\boxed {\boxed {\sf 56 \ Joules}}

Explanation:

We are given the mass, specific heat, and temperature, so we must use this formula for heat energy.

q=mc \Delta T

The mass is 5 grams, the specific heat capacity is 0.14 Joules per gram degree Celsius. Let's find the change in temperature.

  • ΔT= final temperature - initial temperature
  • ΔT= 95°C - 15°C = 80°C

We know the variables and can substitute them into the formula.

m= 5 \ g \\c= 0.14 \ J/ g \ \textdegree C \\\Delta T= 80 \ \textdegree C

q= (5 \ g )( 0.14 \ J/ g \ \textdegree C ) ( 80 \ \textdegree C)

Multiply the first numbers. The grams will cancel.

q= 0.7 \ J/ \textdegree C(80 \ \textdegree C )

Multiply again. This time the degrees Celsius cancel.

q= 56 \ J

56 Joules of heat are needed.

4 0
2 years ago
Which profile best describes the reaction C(s) + 2H2(g) → CH4(g),<br> AH = -74.9 kJ?
katrin [286]

Answer:

Option B. A

Explanation:

From the question given above, the following data were obtained:

C(s) + 2H₂ (g) —> CH₄ (g). ΔH = –74.9 kJ

From the reaction above, we can see that the enthalpy change (ΔH) is negative (i.e –74.9 KJ) which implies that the heat content of the reactants is greater than the heat content of the products. Thus, the reaction is exothermic reaction.

For an exothermic reaction, the energy profile diagram is drawn in such a way that the heat content of reactants is higher than the heat content of products because the enthalpy change

(ΔH) is always negative.

Thus, diagram A (i.e option B) gives the correct answer to the question.

8 0
2 years ago
Read 2 more answers
The ability for a substance to rust is
ICE Princess25 [194]

Answer:

i think it is letter b. rustability but not so sureeee

4 0
3 years ago
Which body systems are responsible to transport materials around and out of the body?
Anni [7]

Answer:

Circulatory System

Explanation:

6 0
2 years ago
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