Question 36 2.85 pts How many joules of heat are absorbed when the temperature of a...
please show me how to get the correct answers in preperation for my upcoming exam 27.) C 28.) B 29.) B 27) The value of AHº for the reaction below is +128.1 kJ: CH3OH (1) CO (g) + 2H2 (g) How much heat is consumed when 87.1 g of hydrogen gas is formed? A) -2.76x103 kJ B) -128.1 kJ C) 2.76 x103 kJ D) -5.52 x103 kJ E) 5.52 x103 kJ 28) How many joules of heat are absorbed when...
Question 9 2 pts Ch 15:33 How many Joules of heat are required to raise the temperature of 0.7 kg of water by 22 °C? HINT: Use the equation AT Q. The specific heat capacity of water J is c = 4190 сть kg C
Question 36 ces 1 pts The Irish were discriminated against by the British, but those Irish who immigrated to the United States were not discriminated against by Americans. True False • Previous Next > No new data to save. Last checked at 3:13pm Submit Quiz
30. How much heat energy, in joules, is required to raise the temperature of 1 mole of sulfur from 100. to 500.°C? Specific heat for sulfur is 0.705 J/g-°C. a. 280 b. 1.28 X 104 c. 9.04 X 103 d. 22.6 e. 567 31. What is the final temperature, in °C, when 60.0 g of water at 80°C is mixed with 40.0 g of water at 25°C? The specific heat of water is 4.184 J/g-°C. a. 53 b. 58 c....
23 20 at 9pm structions questions. When you finish the frst question please click on NEXT to go to the second question. ME BACK. Do not click"next" button before finishing your first question. DO NOT click on SUBMI questions. Question 2 60 pts A pn junction diode is made of a new semiconductor with 1016cm3 acceptors in the p side and 2x1017cm3 donors on the n-side. Intrinsic carrier concentration is same as silicon 1010cm3 at room temperature. Let's assume that...
(7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the following equation. CH3OH (g) → CO(g) + 2 H2(g) AH = 90.2 kJ (7 pts.) When one adds 1.475 kJ of heat energy to a sample of gold, the temperature goes from 12.5 °C to 84.6 °C. Calculate the mass of the sample of gold. Gold has a specific heat capacity of 0.129 J/g.°C. (6 pts.) 10. Write the thermochemical equation for the standard...