carolin
This page lists questions and answers that were posted by visitors named carolin.
Questions
The following questions were asked by visitors named carolin.
how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta) No one has answered this question yet.
16 years ago
Consider the reaction of 14.20ml of 0.141 M H3PO4 and 0.0521 M Ba(OH)2. 2H3PO4 + 3Ba(OH)2 ->Ba3(PO4)2 + 6HOH What volume of Ba(OH)2 is required to completely react with the H3PO4?
10 years ago
In a 1L beaker, 203mL of 0.307 M ammonium chromate was mixed with 137mL of 0.269 M chromium(iii) nitrite. 3(NH4)2CrO4 + 2Cr(NO2)3 -> Cr2(CrO4)3 + 6NH4NO2 If the percent yield of the reaction was 88.0 %, what mass of solid product was isolated?
10 years ago
The combustion of hydrogen with oxygen is used to produce extremely high temperatures needed for certain types of welding procedures. What is the quantity of heat generated, in kj, when a 180g mixture containing equal parts oxygen and hydrogen gasses by m...
10 years ago
A piece of stainless steel (Sstainless steel = 0.50 j/g* C) is transferred from an oven (180 *C) to 125mL of water in an insulated container at 23.2 *C. The water temperature rises to 51.5 *C. What is the mass of the stainless steel?
10 years ago
Consider a sample of 20g of water at -20*C and 1.0 atm. Determine the amount of energy required to raise the temperature of this water to 120*C. (Sice=2.1 Jg-1C-1; Swater= 4.184Jg-1C-1; Ssteam=1.7Jg-1C-1; ΔHfus 6.01 kJ/mol; ΔHvap=40.7 kJ/mol)
10 years ago
A2.27g sample of the explosive, nitroglycerin, C3H5(NO3)3, is allowed to explode in a bomb calorimeter at standard conditions. The amount of heat evolved is 15.1 kJ. This explosion of nitroglycerin occurs according to the equation: 2C3H5(NO3)3 (l)⟶6CO2 (g...
10 years ago
Answers
The following answers were posted by visitors named carolin.