Heat required for a system
can be calculated by the product of the specific heat, temperature difference
and the mass of the system. We calculate it as follows:
Q
= mCΔT
Q
= 50(0.06)(1)
Q
= 3 calories
<span>Therefore,
the correct answer from the choices listed is the second option, 3 calories.</span>
Answer : The balanced chemical reaction will be:
Explanation :
Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.
When solid calcium metal reacts with aqueous aluminum nitrate then it gives aqueous calcium nitrate and solid aluminium.
The balanced chemical reaction will be:
C.)Cool air near the surface forms high-pressure areas; warm air forms low-pressure areas.
Explanation:
The relationship between air temperature and high and low pressure air is such that cool air near the surface forms high-pressure areas and warm air forms low pressure areas.
- Cool air is closer to the surface because it has low kinetic energy to move. It is denser.
- Warm air rises sharply away from the ground surface.
- They form low pressure areas and their molecules are wide apart due to their high kinetic energy. The air is less dense.
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Answer:
B is the Charlotte
Explanation:
it is Charlotte because it has 4 wheels
Answer:
Depends how much water and the temperature of the water. To heat 1 mL of water by 1 degree C 1 cal of energy (4.184 Joules) is required. Assuming that the water is at 25 degrees C, to boil one litre (liter) of water you would require 75,000 cal or 313.8 kJ.
