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Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.
Calculate the gas NH3 in ppm over NH4OH solution.The density of the solution is 0.9g/ml and the Commercial concentrated aqueous ammonia is 29%.
In the early days of the periodic table, the 1870s, both silicon and tin were known elements, but germanium was unknown. Using these trends and the densities of silicon and tin that you just obtained, estimate the density of germanium?
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
The Cl^- concentration in the water analysis given has been questioned. What concentration of Cl^- (mg/L) would make the cations and anions balance?
Name the product of reaction, Give and name the products when 3-t-butyl 2,4-dimethyl 1-hexene reacts iwth the following assume the proper catalysts are present
How many resonance structures are there for the cyclohepatrienyl cation? Draw them. Are carbon-carbon bonds equivalent?
Addition to double bonds, oxidation of double bonds - Draw the structure/structures for the major organic product/products formed when 1-methylcyclohexene reacts
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
Compute the pressure of the system express your answer in kPa. suppose the force of gravity = 9.81 m/sec^2 , density of mercury =13600 kg/m^3.?
Toluene (C6H5CH3) is a liquid compound similar to benzene (C6H6). Calculate the mole fraction of toluene in the solution that contains 132 g toluene and 115 g benzene.
a gas mixture being used to stimulate the atmosphere of another planet consists of 323 mg of methane, 165 mg of argon, and 223 mg of nitrogen. The partial pressure of nitrogen at 275 k is 19 kPa.
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