04/05/17

Solve for the correct number of moles (Show Work Please)
Equation: 2H2O2 = 2H2O + O2   Given: .20 mol H2O2 react
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04/05/17

They sold 2/3 of their cupcakes in the morning. They sold 1/6 of their cupcakes . They sold 200 cupcakes altogether. How many cupcakes were left to sell?
help me with this math word [roblem
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04/05/17

if a bus runs at 22 mph and has a 12 mile route, how long will its take to complete two routes?
story problem 
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04/05/17

A 7-pack of ice cream sandwiches costs $3.01. What is the unit price?
A 7-pack of ice cream sandwiches costs $3.01. What is the unit price?
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04/05/17

Solve for the correct number of moles (Show Work Please)
Equation: MgBr2 + Cl2 = MgCl2 + Br2   Given: .25 mol MgBr2 react
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04/05/17

SAT PREP question.
A restaurant has 15 tables that can seat a total of 78 people.some of the tables seat six people, while the remainder of the tables seat four people.How many tables seat six people.
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04/05/17

Alice completed 1/8 of her homework on saturday and 3/4 on sunday. what fraction of her homework does alice still need to complete
Alice completed 1/8 of her homework on saturday and 3/4 on sunday. what fraction of her homework does alice still need to complete
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04/05/17

mol problems
If you had exactly one mole of pennies , how long , in years , would it take you to spend your money if you spend exactly $5,000 every second ?
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04/05/17

How can I find the product of an equation which has more then two reactants? (Chemistry)
I am a student who does not ask how things work but why things work.
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04/04/17

kevin has a square picture frame. if the perimeter of the frame is 12 inches. what is the length of each sides in inches
kevin has a square picture frame. if the perimeter of the frame is 12 inches. what is the length of each sides in inches
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04/04/17

How many moles of N2 are in a 6.56 L cylinder at 38.4 °C and 9.80 atm?
How many moles of N2 are in a 6.56 L cylinder at 38.4 °C and 9.80 atm?
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04/04/17

Pretaining to gas
On Tuesday, you sold $2,889.32 in Regular gas; on Wednesday, you sold $2,996.42, and on Thursday, you sold $3,435.53. If the price of Regular gas was (to the nearest penny) $1.19 per gallon all... more
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04/04/17

What mass in grams of iron can be produced from 50.0 mol of iron (iii) oxide
calculation from moles to grams
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04/04/17

When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 7.2g Ag and 8.0g
Chemistry
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04/04/17

The decomposition of potassium chlorate yields oxygen gas. If the yield is 65%, how many grams of KClO3 are needed to produce 47.5L of O2?
chemistry problem
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04/03/17

which gases travel the fastest
I WANT TO KNOW WHAT GAS TRAVELS FROM SLOW TO FAST BEING CL2 HE AR  CO2 O2 NE XE
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04/03/17

If the detector is capturing 3.2*10^8 photons per sec at this wavelength, what is the total energy of the photons detected in 1 hour?
A stellar object is emitting radiation at 3.60 mm. 
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04/03/17

What would be the chemical reaction of Vitamin b12 with an acid?
I am trying to do a chemistry project on vitamin b-12 and it asks how B-12 would react with acids and bases. I have looked everywhere online and I cant find a straightforward question. 
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04/03/17

how to divide big numbers
how to divide a big number
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04/03/17

How to find the Kp values?
4) Carbon disulfide is a foul smelling solvent that dissolves sulfur and other nonpolar substances. It can be made by heating sulfur in an atmosphere of methane. 4CH4 (g) + S8 (s) ⇔ 4CS2 (g) + 8 H2... more
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04/02/17

How much Al must be used to react with 652 g of NH4ClO4?
3Al(a) + 3NH4ClO4(s) = Al2O3(s) + AlCl3(s) + 3NO(g) + 6H2O (g)
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04/02/17

How many grams of SiCl4 are needed to make 9.3 g of Si ?
SiCk4(g) +2Mg(a) =2MgCl2(aq) +Si(s)
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04/02/17

How many liters of CO2 at STP are produced by completely burning 18.8 L of CH4?
CH4(g)+2O2(g)=CO2(g) +2H2O(g)
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04/02/17

Help..... calculating kp value
Is carbon dioxide a viable source of the fuel CO? Pure carbon dioxide (PCO2 = 1 atm) decomposes at high temperatures. For the system 2 CO2 (g) ⇔ 2 CO (g) + O2 (g) the percentage of decomposition... more
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04/02/17

120 grams of magnesium are burned in a chlorine atmosphere (Mg + Cl2 -> MgCl2 )
how many moles of magnesium of present  a 0.20 b1.26 c2.50 d5.00    
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