Hi. In year 13 Chemistry we titrated an iodine solution with freshly squeezed orange juice which had been stored at different temperatures. We keep the orange juice solution in an incubator to...

Hi. In year 13 Chemistry we titrated an iodine solution with freshly squeezed orange juice which had been stored at different temperatures. We keep the orange juice solution in an incubator to...

I need help on this question. It is very confusing to me.

Use standard enthalpies of formation from the table to calculate ΔH°rxn for the following reaction. P4O6 (s) + 2 O2 (g) → P4O10 (s)

When 70.0mL of sample of 0.372M Na2SO4 is added to 100 mL of 0.138M Ca (NO3)2 What percentage of Ca 2+ remains unprecipitated?

Can't figure it out! Please provide the balanced net ionic equation including the phases if you can.

Can't figure it out! Please provide the balanced net ionic equation including the phases if you can.

I can't figure this out. Please provide the balanced net ionic equation along with the phases in the answer if you can.

Silver ion and bromine ion precipitate into AgBr (s). The Ag+ concentration is about 0.065M. If the Br- concentration remains at 1.0×10^17M. What will be the remaining concentration of Ag+...

If a constant [F-] is maintained in a solution in which the initial [Ca2+ ] =0.038M, what percentage of Ca 2+ will remain in solution after the CaF2 precipitate. What [F-] should...

I don’t know how to solve this equation

1. If an incandescent light bulb contains 90.5 kPa of Argon gas and 11.4 kPa of nitrogen gas, what is the total gas pressure in the light bulb?

the half life of a first order reaction at 283.15 kelvin is 2.5 minutes. The activation energy is 66.0 kJ/mol. Calculate the half life or the reaction at 298.15 kelvin.

What is the balanced equation?

The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this reaction?

What is the half reaction representing the oxidation in the following reaction ? Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)

S4O62- → 2S2O32- Will this redox half-reaction will be balanced if you add 2 electrons to the product side?

Investigation 1)In the glass beaker measure out 20 ml of water. 2)Using the measuring scale weigh and calculate the mass of the non solution reaction vessel. 3)Add 1ml of the cyclohexanol...

I need help

it belongs to microbal assimilation of metal

Molar Mass of: 1. compound A if a solution of 1.00 g in 225 g of water freezes at -0.102 degrees celsius 2. compound B if a solution of 1.00 g in 100 g of cyclohexane freezes at...