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In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was his speed in miles per hour, meters per second, and feet per second?
Sodium has a density of 0.968g/cm3 and crystallizes with the body-centered cubic unit cell. Calculate the radius of a sodium atom in pm.
A 0.01M solution of acid HAS, has a ka=1.6 x 10-10 and a concentration of NaAS of 1.29 x 10-3 molar; (a) what is the pH of this solution and (b) what is the pkb of the conjugate base of HAS
when methane CH4 reacts with oxygen gas O2, water and carbon dioxide are formed. if 25.0 liters of oxygen reacts at 125.0C and 2.00 atm with 22.00L of methane initially
in a laboratory practical exam students were asked to prepare an aqueous buffer solution having a ph close to 9. which
If the specific heat of olive oil is at 2.00 J/g C the heat capacity of the calorimeter is 10.0 J/ C, as well as the final temp is 21.5 C, Compute the specific heat of the solid.
What mass of O2 in grams is required for complete combustion of 25.5 g of CH4? What is the total mass of product expected from the combustion of 25.5 g of methane
Draw out partial pathways to show which carbon(s) of glucose are lost in the first two cycles of the TCA cycle after entry as acetyl CoA fragments.
calculate Kc for the reaction below: 2P(g)+ 5Cl2(g) 2PCl5(g) The answer provided is 240. Why is that?
Carbon dioxide is produced every time a person exhales. Some NASA spacecraft rely on this lithium hydroxide reaction to remove exhaled carbon dioxide from the air inside the spacecraft
A graduated cylinder contains 148 of water. A 17.0 piece of iron (density = 7.86 ) and a 19.0 piece of lead are added. What is the new water level in the cylinder?
what is the structure of A 1:1 molar ratio of methane and oxygen, and calculate the oxygen balance
Calculate the theoretical yield of C2H5Cl when 110 g of C2H6 reacts with 226 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
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