Q=m°C<span>ΔT
=(500g) x (1 cal/g.</span>°C) x (48°C-21°C) = 13500 cal
13500 cal / 1000 = 13.5 kcal
<span>"What is the caloric value (kcal/g) of the french fries?"
13.5 kcal/ 2.5 g = 5.4 kcal/g</span>
Answer:
2.5 g/cm3 .
Explanation:
Density is mass in grams over volume in cubic centimeters. So it is 25 g 10 cm 3 =2.5 g/cm 3 The unit is grams per cubic centimeter. NB - density can also be kilograms over cubic meters Hope this helps!
B) Gas is heated, And D) Mass of gas increased.
Answer:
First one is 5.0 M ammonia and the Second one ?
Explanation:
To decrease the rate of the forward reaction you can do the following:
- decrease the concentration of the reactants
- increase the concentration of the products
- increase the pressure so the hydrogen gas will not be easily removed from the reaction
- decrease the temperature, number of collisions will decrease so the rate of the reaction will decrease
