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If 23.0mL of 5.2M sulfuric acid was spilled what is the minimum mass of sodium hydrogen carbonate that must be additional to the spill to neutralize the acid?
1.00 moles of sucrose (C12H22O11), and 1.20 moles of glucose. Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
Identify all of the substances that are used or produced in this experiment A5. Distinguish between elements and compounds.
Suggest an experimental method to ensure that the reaction of 2-bromobutane produces entirely a) 1-butene b) 2-butene
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCL(aq) + NaOH(aq) --> H2O (l) + NaCl (aq)
How much filtered 50% NaOH (in mL) must be added to 2.0liters of boiled deionized water to give an approximately 0.18 M solution of carbonate-free NaOH (40.0 g/mol)? Presume the density of the 50% solution is 1.0 g/mL.
Phosgene is formed from carbon monoxide and chlorine. At 605 degrees C, Kc is approximately 15.5 M-1 or L/mol. Calculate Kp (in atm-1) at this temperature.
Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 0 degrees C.
A microbiologist is preparing a medium on which to culture E. coli bacteria. She buffers the medium at pH 7.00 to minimize the effect of acid-producing fermentation.
if 6.73 g of NaCo3 is dissolved in enough water to make 250. mL of solution what is the molarity of the sodium carbonate ?
Kunzite is a mineral containing lithium (Li) and has the empirical formula LiAlSi2O6. Calculate the proportion by mass of lithium in Kunzite.
Calcium in a mineral was analyzed five times by each of two methods. Are the mean values significantly different at the 95% confidence level? Method1: 0.0271 0.0282 0.0279 0.0271 0.0275 Method2: 0.0271 0.0268 0.0263 0.0274 0.0269 Chemistry
When acetylene gas, C2H2, burns, how many liters of O2 at STP are used for every 9.31 mol of acetylene burned
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