Calculate the number of mol corresponding to 0.076 kg Si. Enter your answer in the provided...
7. value 0.00 points 3 attempts left Check my work Calculate the number of mol corresponding to 19.0 g Be. Enter your answer in the provided box. mol Be value 1.00 points 3 attempts left Check my work Calculate the number of mol corresponding to 0.065 kg Si. Enter your answer in the provided box. mol Si 9. value 0.00 points 3 attempts left Check my work What is the average molar mass of the following elements? Be sure to...
Enter your answer in the provided box. Remember to enter your answer to the correct number of significant figures. For the following reaction, the rate is 0.27 mol/(L·s) when [A]0 = [B]0 = 1.0 mol/L: A(g) + B(g)→ AB(g) If the reaction is first order in B and second order in A, what is the rate when [A]0 = 2.0 mol/L and [B]0 = 3.3 mol/L? PLEASE SHOW WORK
Enter your answer in the provided box. Calculate the number of tons of CaCO3 needed to react completely with 4.50 tons of so,. tons
1.) Enter your answer in the provided box Calculate the mass % of O in barium periodate ? % O 2.) Be sure to answer all parts. Write a balanced equation for the following by inserting the correct coefficients. If the coefficient equals 1, add "1" in the provided box. ??? CaSiO3(s) + ???? HF(g) → ??? CaF2(s) + ??? SiF4(g) + ???H2O(l) 3.) Be sure to answer all parts. Potassium nitrate decomposes on heating, producing potassium oxide and gaseous...
Calculate the molarity of a 5.00 L solution containing 4.94 mol HNO3. Enter your answer in the provided box.
Calculate the molarity of 2.9 L of solution containing 4.2 mol NaOH. Enter your answer in the provided box.
Enter your answer in the provided box. of 9.70 X 10 - and a Calculate the solubility (in g/L) of a generic salt with a formula of A,B, a R molar mass of 174 g/mol. Be sure to answer all parts. Equal volumes of 0.180 M AgNO3 and 0.170 M ZnCl, solution are mixed. Calculate the equilibrium concentrations of Ag and Zn?.! (Enter your answer in scientific notation.)
3 attempts left Check my work Enter your answer in the provided box. Calculate the number of grams of solute in 137.1 mL of 0.258 M calcium acetate. g solute
Enter your answer in the provided box. For the reaction ABC+D=AB + CD AH' =-65 kJ/mol and Ea(fwd) = 305 kJ/mol. rxn Assuming a one-step reaction, calculate Ea(rev)- kJ/mol
Enter your answer in the provided box. A sample of nitrogen gas kept in a container of volume 2.56 L and at a temperature of 21°C exerts a pressure of 4.15 atm. Calculate the number of moles of gas present. mol