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you have 2.50 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. determine the concentration of the sugar solution after the water has been added.
If 1.0 atm H2S (g) are added to a 1.0 L flask containing an excess of I2 (s), what will be the equilibrium pressure of HI?
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
Calculate the masses of the reactants and products of the following equation. Please show work.
You need to determine value of ?G° for CO(NH2)2(s) + H2O(l) CO2(g) + 2NH3(g)?
High temperature and low pressure low temperature and high pressure none of the above unless a catalyst is present If it's endothermic, it's high temp and low pressure, but does having an exothermic reaction change that?
You are going to a birthday party and you want to give the children balloons filled with He gas. How many balloons can you fill to a volume of 2 liters if the internal gas pressure of the tank
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
The solution of the question , a 0.3172 g sample containing only KCl and NaBr is dissolved in 50ml water and titrated with 0.1120M AgNO3 , requiring 36.14ml to reach the end point.
Draw the major organic product from reaction of 1-butyne with BH3 in THF, then H2O2, OH-. If no reaction occurs, writE ethane, CH3CH3.
A balloon filled with helium has a volume of 2.41 L on a warm day at 311 K. It is brought into an air-conditioned room where the temperature is 295 K. What is its new volume.
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