Be sure to answer all parts. Write a balanced equation for the following by inserting the correct coefficients (...
Write a balanced equation for the following by inserting the correct coefficients (if a coefficient = 1, enter "1" in the provided box). C(s)+ Ca3(PO4)2(s) + SiO2(s)→1P4(g) + CO(g) + CaSiO3(l)
Be sure to answer all parts. Write a balanced equation for the following by inserting the correct coefficients (if a coefficient = enter "1" in the provided box): (CN)2(g) + H20(1) ► NH3(g) + H2C204(aq)
help! Be sure to answer all parts. Enter a net ionic equation for the following reaction (including states of matter): CaCl2(aq) + MnSO4(aq) → Write the net ionic equation (including physical states) for the reaction of NaBr(ag) with AgNO3(aq). Click in the answer box to activate the palette. Be sure to answer all parts. Calculate the number of g of o, that will react with 6.28 mol of CzHg. Enter your answer in scientific notation. The balanced equation is: C3Hg(8)...
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...
Be sure to answer all parts. Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite: MgCO3(s) - MgO(s) + CO2(g) AH - 117.3 kJ (a) Is heat absorbed or released in the reaction? absorbed released (b) What is A n for the reverse reaction? -1173 EJ (c) What is AH when 5.20 mol of CO, reacts with excess Mgo? (a) What is AH when 32.5 g of CO, reacts with exces: Mgo?
Be sure to answer all parts. Calculate the number of cations and anions in each of the following compounds. Enter your answers in scientific notation. (a) 7.73 g of KBr: x 10 cations anions (b) 4.61 g of Na,so: anions (c) 6.16 g of Ca3(PO4)2: anions
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H2S production: =Sg(s) + H2(g) → H2S() AH rxn = -20.2 kJ his an exothermic or endothermic reaction? endothermic exothermic (b) What is AH rxn for the reverse reaction? KJ (c) What is AH when 3.10 mol of Sg reacts? kJ
Use this table or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Apply fractional coefficients as needed. Include states-of-matter under STP conditions in your answer.) (a) Ca3(PO4)2(s) (b) HCN(g) (c) HI(g) (d) NaCl(s)
Be sure to answer all parts. Given the reaction represented by the balanced equation CH4(g) + 3Br2(g) → 3HBr(g) + CHBr3(g) Calculate the number of g of CHBr3 produced by mixing 110 g Br2 with excess CH4.
Be sure to answer all parts. Consider the following balanced thermochemical equation for a reaction sometimes used for H,S production: (BH-H+ (a) Is this an exothermic or endothermic reaction? AH--20.2kJ endothermic exothermic (b) What is AH for the reverse reaction? kJ (c) What is AH when 4.30 mol of Ss reacts? kJ draw HIR < Prey 10 of 16 Ne: hp