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Chloroform, a substance once used as an anesthetic, has a density of 1.483g/ml at 20 "c. How many Milliliters would you use if u needed 9.37g ?
Calculate the heat released when 1 kg of white phosphorus is allowed to burn in air at a constant pressure of 1 bar.
at 700.degc the total pressure of the system is found to be 3.45 atm. if the equilibrium constant kp is 1.52 calculate
Calculate the number of ATP molecules that are produced from the biological oxidation of one molecule of each of the following to CO2 and H2O
please convert thema 456 cal to joulesb 22.3 j to caloriesc 234 kj to caloriesd 12.4 cal to joules-calculate the amount
Calcium cyanamide, CaCN2, reacts with water to form calcium carbonate and ammonia; CaCN2(s)+3H2O(l)-->CaCO3(s)+2NH3(g). a) How many grams of water are needed to react with 75.0 g of CaCN2
aqueous solution of sodium chloride (NaCl). What mass of NaCl would you need to dissolve in 500 g of water to make this solution?
Number of protons & the number of neutrons in the nucleus of the element boron and potassium and the number of electrons in their 1st & 2nd quantum shells?
what is the vapor pressure at 40 degrees Celcius of a solution containing 4.60*10^2 g of glycerin, C3H8O3, nonvolatile, nonelectrolyte solute, in 4.5*10^2 g of water? The vapor pressure of water at 40 degrees Celcius is 55.3 mmHg
Exited rubidium atoms emit a photon of light at 759 nm. What color is this light. Calculate the energy difference in kJ/mol of the tow orbitals that give rise to this emission.
a scientist has 200 g samples of each of the metals which are all at the same temperature then determine which metal
Compute the boiling point of this solution if Kf and Kb for H 2 O are given as 1.86°C/m and 0.512 °C/m , respectively.
Calculate the work done by the gas if it expands against a constant pressure of 5 atm. -Answer is -1.14x10^4 J but just need to know how to get there.
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