Calculate the empirical formula of the product
when 0.273-gm of Mg is reacted at high temperatures with N2 to produce 0.378-gm of a solid, MgxNy. Calculate the empirical formula of the product.
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C6H6 + Br2 → C6H5Br + HBr a) What is the theoretical yield of bromobenzene in this reaction when 30.0 g of benzene reacts with 65.0 g of bromine? b) If the actual yield of bromobenzene was 56.7 g, what was the percentage yield?
Q1 Show that the power in a three-phase, three-wire system with balanced loads is constant at every instant. Deduce an expression for the power in terms of the line voltage, line current,and the power-factor. Q2 From a consideration of the insta
An anionic living polymerization of styrene is conducted with an initial monomer concentration of 2 mol/L and an initial initiator concentration of 0.001 mol/L. Determine Mn, Mw, and PDI at 75% conversion.
Does the NaOH dissociate into ions when it is added to the solution? What do the OH- ions react with? What molecule is available to provide more hydrogens and keep the pH stable.
Nickel nitrate and potassium carbonate react to form nickel carbonate and potassium nitrate. How many milliliters of 0.55M Ni(NO3)¬2 are needed to react with 85 mL of 0.25M K2CO3? First, write a balanced equation.
A 15.0 grams lead ball at 25.0 celcius ws heated with 40.5 Joules of heat. Given the specifc heat of lead is 0.128 J/ grams. celsius, what is the final temperature of the lead?
A 25.00mL sample of NaClO is titrated with 0.001005M HNO3. If 10.02mL of of HNO3 is required to reach the endpoint of titration, determine the concentration of ClO- in the original sample.
At a point on the free surface of a machine part the maximum shear strain is 250 ?rad. It is also known that the sum of the normal stresses on two perpendicular planes passing through the point is -55 MPa.
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