05/17/22

How many moles of O2 gas are used to produced 0.75 moles of CO2 @ STP ?

C3H8+5O2=3CO2+H2O__________________________

05/17/22

How many moles of oxygen of are needed to produced 5.3 moles of aluminum oxide ?

4AL+3O2=2AL2O2 _______________

05/11/22

05/11/22

05/11/22

What will be the volume {in mL} occupied by 20g of hydrogen at 25ºC and 0.75 atm?

Process and answer is required !

05/11/22

A steel tank contains a mixture of Ar and He gases. The total pressure in the tank is 4818 mmHg. If the partial pressure of helium in the tank is 1653 mmHg, what is the partial pressure of argon in... more

05/11/22

Balance each redox reaction using the half-reaction method.

I have two questions, but they are the same type. Zn(s)+Sn2+(aq)→Zn2+(aq)+Sn(s) Mg(s)+Cr3+(aq)→Mg2+(aq)+Cr(s)

05/10/22

Chemistry homework

What mass of silver can be produced by the reaction of 2.00 g of zinc metal with 6.00 g of silver (I) nitrate?

05/10/22

Chemistry homework

If you dilute 175 mL of a 1.6 M solution of LiCl(aq) to 1.0 L, determine the new concentration of the solution?

08/04/21

I am lost with this problem can answer this

The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.300 M NaOH. It requires 16.7 mL of the NaOH solution to reach the end point of the... more

08/04/21

I would like some help please

For the chemical reaction 2HBr(aq)+Ba(OH)2(aq)⟶2H2O(l)+BaBr2(aq) write the net ionic equation, including the phases. net ionic equation:

08/04/21

Help would be much appreciated

At 25 °C, what is the hydroxide ion concentration, [OH−] , in an aqueous solution with a hydrogen ion concentration of [H+]=3.6×10−8 M? [OH−]= M

05/26/21

One method for manufacturing sodium sulfate proceeds according to the following equation: 4NaCl + 2SO2 + 2H2O + O2 = 2Na2SO4 + 4HCL. Address the following questions about this reaction.

a) If 2335g of sodium chloride are available to react with 1355g of sulfur dioxide, determine the limiting reagent.b) Determine the mass of oxygen required for the complete consumption of the... more

05/24/21

For the following reaction, 0.710 grams of hydrogen gas are allowed to react with 13.5 grams of ethylene (C2H4) .hydrogen(g) + ethylene (C2H4)(g)  ethane (C2H6)(g)What is the maximum mass of ethane... more

05/24/21

For the following reaction, 44.3 grams of iron are allowed to react with 24.1 grams of oxygen gas .iron(s) + oxygen(g)  iron(III) oxide(s)What is the maximum mass of iron(III) oxide that can be... more

05/23/21

NEED HELP ASAP, IT'S FOR A HOMEWORK

For the following reaction, 13.7 grams of nitrogen monoxide are allowed to react with 5.63 grams of oxygen gas .nitrogen monoxide(g) + oxygen(g)  nitrogen dioxide(g)What is the maximum mass... more

05/22/21

HELP ME IF YOU CAN

For the following reaction, 13.7 grams of nitrogen monoxide are allowed to react with 5.63 grams of oxygen gas .nitrogen monoxide(g) + oxygen(g)  nitrogen dioxide(g)What is the maximum mass... more

05/22/21