121.6 G of water was brought to a boil(100°C) after having 23750 J of heat applied. If the specific heat of water is 4.18 J/G °C, what was the initial temperature of the water? A. 153.3°C
B. 46.7°C
C. 53.3°C
D. 146.7°C

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

In which situation can a mixture always be called a solution

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon