Calculate the heat capacity of the calorimeter
When 10.0g of water at 100.0 oC isadded to 100.0g of water at 10.0oCin a calorimeter, the final temperature is 18.0oC. Calculate the heat capacity of thecalorimeter. Specific heat of water is 4.18 J g-1K-1
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A carbon-hydrogen-nitrogen-oxygen compound has a molecularmass of 116.12 u. In a combustion analysis, a 2.464 g sample yields3.735 g CO2 and 1.530 g H2O.
A block weighing 100lbs rests on a rough level plane. The coefficient of friction is between the block and the plane is 0.42. what inclined push 45 degrees from the horizontal will cause the block to move?
Separation techniques were performed on a sample containing only sand and salt. The mass of the initial sample was 10.50 g. After the separation, 4.70 g of sand and 5.15 g of salt were recovered. What is the percent recovery of sand and salt?
Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made:What are the charg
When 10.0g of water at 100.0 oC isadded to 100.0g of water at 10.0oCin a calorimeter, the final temperature is 18.0oC. Calculate the heat capacity of the calorimeter. Specific heat of water is 4.18 J g-1K-1
(a) Find the electric flux through each of the six faces of the cube. (b) Add the six values obtained in part (a) to show that the electric flux through the cubical surface is zero, as Gauss' law predicts, since there is no net charge within the c
This is a question from my chemistry homework. For a, i'm notsure how to get the 10% part. For b I don't really understandnormality but i think that 0.1N = 0.1 M?
The ball leaves the student's hand with a speed of 12.0 when the hand is 2.20 above the ground. How long is the ball in the air before it hits the ground?
In general chemistry you learned thatoxidation meant any reaction which involves loss of electrons, butin organic chemistry oxidation often refers to an earlier, moreliteral, definition of the termas in this experiment. what is this earlier, clas
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