Quiz | balancing equations |
---|---|
Name | |
Result | PASSED |
Score | 19 / 20 (95%) |
Passing score | 16 |
Quiz took | 5 min 51 sec |
Quiz finished at | 2022-04-24 19:18:38 |
# NH3 + H2SO4 → (NH4)2SO4 What number should replace the # symbol to balance the above equation?
# Pb(OH)2 + 2 HCl → 2 H2O + PbCl2 What number should replace the # symbol to balance the above equation?
# AgNO3 + Cu → Cu(NO3)2 + 2 Ag What number should replace the # symbol to balance the above equation?
# CH4 + 2 O2 → CO2 + 2 H2O What number should replace the # symbol to balance the above equation?
# BaS + PtF2 → BaF2 + PtS What number should replace the # symbol to balance the above equation?
# NaF + Br2 → 2 NaBr + F2 What number should replace the # symbol to balance the above equation?
# RbNO3 + BeF2 → Be(NO3)2 + 2 RbF What number should replace the # symbol to balance the above equation?
# SO2 + 2 Li2Se → SSe2 + 2 Li2O What number should replace the # symbol to balance the above equation?
# HCN + CuSO4 → H2SO4 + Cu(CN)2 What number should replace the # symbol to balance the above equation?
# AlBr3 + 3 K2SO4 → 6 KBr + Al2(SO4)3 What number should replace the # symbol to balance the above equation?
# GaF3 + 3 Cs → 3 CsF + Ga What number should replace the # symbol to balance the above equation?
# N2 + 3 F2 → 2 NF3 What number should replace the # symbol to balance the above equation?
# Al + 6 HCl → 3 H2 + 2 AlCl3 What number should replace the # symbol to balance the above equation?
# Na3PO4 + 3 CaCl2 → 6 NaCl + Ca3(PO4)2 What number should replace the # symbol to balance the above equation?
# MgF2 + Li2CO3 → MgCO3 + 2 LiF What number should replace the # symbol to balance the above equation?
# N2 + 3 H2 → 2 NH3 What number should replace the # symbol to balance the above equation?
# K + Cl2 → 2 KCl What number should replace the # symbol to balance the above equation?
# P4 + 3 O2 → 2 P2O3 What number should replace the # symbol to balance the above equation?
# CF4 + 2 Br2 → CBr4 + 2 F2 What number should replace the # symbol to balance the above equation?
# Na3PO4 + 3 KOH → 3 NaOH + K3PO4 What number should replace the # symbol to balance the above equation?