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1. Assume that the specific heat of the water(H2O) 1.00 caVg x"C then calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
2. Using a sample of vinegar that is found to contain 8.3% CH3COOH (acetic acid ) and have a density of 1.006 g/ml you need to calculate that how many grams of CH3COOH(acetic acid ) are present in 1.60L of this solution of vinegar?
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
A compound is composed of elements C, H, and N. A 7.875-mg sample of the unknown compound was combusted, producing 21.363 mg of CO2 and 6.125 mg of H2O. What is the empirical formula for this compound? (Type your answer using the format CxHyNz for..
When (R)-6-chloro-2,6-dimethyloctane undergoes solvolysis in 80% aqueous acetone, what is the relationship between the substitution products formed in the reaction
Name the alkyl branch present on the ring of ibuprofen that is across from the acid functional group
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
Sodium nitrate was added to 2.0 L of water at 25 °C to produce a saturated solution. The solution was then heated to 80 °C. Calculate the mass of lead nitrate that had to be added to produce a saturated solution at that higher temperature.
If there is a phasechange you need to then write a net ionic equation and list the spectator ions barium chloride plus silver nitrate equals barium nitrate plus silver chloride
This process is an example of sublimation. d) This process is an example of freezing. e) This process is an example of condensation.
250 milligrams of butyric acid (CH3CH2CH2COOH) and 5 mL of ethanol (CH3CH2OH) were combined with conc sulfuric acid. What is the theoretical yield (in milligrams) of the ester product (CH3CH2CH2COOCH2CH3)?
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
how many grams of C5H10O2 need to be dissolved in 50 mL of solution, in order to have a 0.1 molar solution?
The gas was obtained by boiling liquid nitrogen stored in a 180.0 L tank. What volume of N2 is released at 0.955 atm of pressure and 25 degree celsius from a tank full of liquid N2 (d=0.808 g.mL)?
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