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If all the chloride in a 5.000g sample of an unknown metal chloride is precipitated as silver chloride with 70.90mL of 0.2010M silver nitrate, explain what is the percentage of chloride in the sample?
the enthalpy of fusion of methanol ch3oh is 3.16 kjmol. how much heat would be absorbed or released upon freezing 25.6
Calculate the enthalpy change, Delta H, for the process in which 32.6 g of water is converted from liquid at 1.2 C to vapor at 25.0 C. For water, H = 44.0 kJ/mol at 25.0 C and s = 4.18J/g C for H2O(l)
a 12.8 g sample of ethanol c2h5oh is burned in a bomb calorimeter with a heat capacity of 5.65 kjdegc. using the
determine the amount of heat in kj given off when 1.89 104 g of ammonia are produced according to the following
The average osmotic pressure of seawater at 25 degree Celsius is approximately 30 atm. Assuming that seawater is a solution composed of NaCl and water with a salinity of 3.5%, calculate the molar mass of NaCl
bro3- 5br- 6h --gt 3 br2 3h2oif 25.0 milliliters of .2oo molar bro3- is mixed with 30.0 milliliters of .450-molar
At a certain temperature, 893 K, Kp for the reaction, 2 H2S(g) 2 H2(g) + S2(g), is 5.26 x 105. Calculate the value of ?Go in kJ for the reaction at 893 K.
A suitable storage place must be geologically stable long enough for the activity of plutonium-239 to decrease to 0.1% of its original value.
Draw the structural formula of an alkane that has eight carbons and only primary hydrogens.
A metal oxide with the formula MO2 contains 21.23% oxygen by mass. Type the symbol for the element represented by M in the box below.
If the rate of a reaction increases by a factor of 8.2 when the temperature is increased from 27.1oC to 51.9oC, what is the activation energy for this reaction in kJ/mol
Take (a.) galactose (b.) Fructose-6-phosphate through glycolysis, Pyruvate dehydrogenase complex, Citric acid cycle and oxidative phosphorylation and calculate the amount of Atp.
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