For the following chemical reactions, determine the precipitate produced when the two reactants listed below are mixed together. Note: Leave the answer blank if no precipitate will form. (Express your answer as a chemicalformula.) 1. Ba(NO3)2(aq) + MgSO4(aq)→ 2. HNO3(aq) + Ba(OH)2(aq)→ 3. KCl(aq) + AgNO3(aq)→ 4. (NH4)3PO4(aq) + Ni(NO3)2(aq)→ 5. Na2CO3(aq) + NH4Cl(aq)>

Since the gas in your graduated cylinder is a mixture of butane and water vapor, you must determine the partial pressure of the butane, pbutane, alone. to do this, consult a reference and record the partial pressure of the water vapor, pwater, at the temperature you recorded. use the following formula to compute the partial pressure of the butane. pbutane = atmosphere - pwater use the following combined gas law formula and compute the volume that the butane sample will occupy at stp. (hint: convert both temperatures to kelvin.) pbutane x voriginal = pstandard x vfinal troom tstandard use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. grams of butane you used “x” grams of butane ml of butane corrected to stp = 22,400 ml compute the theoretical molar mass of butane based on its formula and the atomic masses on the periodic table. compare your experimental results from #3 to the theoretical value of #4, computing a percent error of your findings using this formula: % error = measured value - accepted value x 100 accepted value use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. need asap

Why do cells appear different in distilled water than they do in 10% salt water?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?