08/29/17
How many moles of gas are held in a container with a volume of 780.0 mL at a temperature of 90.0 °C, and a pressure of 0.7105 atm?
I could really use some help solving this question
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08/28/17
A 0.315 g sample of Tums (containing CO2−3CO32- ) is dissolved in 25.0 mL of 0.102 M HCl
How many mol of base are in the antacid?
The hydrochloric acid that is not neutralized by the Tums is back titrated with 8.75 mL of 0.102 M NaOH
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08/26/17
Find the total electric charge of 2.3 kg of electrons. Find the total electric charge of 2.3 kg of protons.
I am in need of some help with these physics problems
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08/26/17
A year end clearance sale is advertised as 30% off all prices marked. What is the sale price of a sofa that is marked as $925?
Please help couldn't figure it out Thank you
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08/25/17
name the four families of hydrocarbons?
chemistry college level
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08/24/17
acetone is a common solvent and has a density of 0.7899 g/ml. What volume of acetone, in mL has a mass of 31.8 g?
I need help breaking this down so that I can understand how to work it out.
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08/24/17
WORd problems
You need a 25% alcohol solution. On hand, you have a 300 mL of a 80% alcohol mixture. How much pure water will you need to add to obtain the desired solution?
You will need ? mL of pure...
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08/24/17
word problems
What quantity of 70 % acid solution must be mixed with a 20 % solution to produce 300 mL of a 50 % solution?
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08/24/17
Find the sum of the following fractions 3/7 + 6/7 write as an proper fraction as well as a mixed number
Answer it
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Is it possible to do one way ANOVA between groups of data with different scales
I have 7 groups of data and the size of every group is 46. I want to do the parametric analysis of ANOVA between these groups. When every group of data has been checked for normality, the results...
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08/22/17
Solve using the correct number of significant digits. 17.5 ft + 2.25 ft + 13.5 ft = ft
i need help with this question because i am dooing my homework
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08/22/17
word problems help
A trail mix comprised of 59% raisins is being mixed with a trail mix variety that is 41% raisins to create a 72 lb. bag of trail mix that is 50% raisins. How many pounds of the 59% raisins trail...
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08/19/17
How many decimal places are in the product of 0.096 and 24?
I need to do a summer math thing and I cant solve this problem....
I need a answer to be...
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08/19/17
Should one get their college textbooks before or after the first day of their classes?
Imaginary Bobby hasn't gotten his because he wants to wait until he receives his syllabuses and Imaginary Pete already ordered his and got one and waiting for the others.
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08/19/17
In a solution containing 20g of a powder per litre, 0.3338 ppm of a metal was found. How much would the metal be in mg per kg of the solidx powder?
Determination of metal contaminant in a powder sample. (Chemistry)
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08/19/17
My question is that Why can't we use more than 2 samples for t test? I know we can do it through anova but my question is why not in t test?
My question is that Why can't we use more than 2 samples for t test? I know we can do it through anova but my question is why not in t test?
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08/18/17
What's hydrogen bond and how it's different from other bonding and what made it different?
First of all I can't understand what's a hydrogen bond is. All I can understand is hydrogen bond is a attraction between a partial positive hydrogen atom and electronegative atom. I can't get how...
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08/17/17
word problem
A tea distributor needs to mix a(n) Terraza tea blend that normally sells for $2.89 per pound with a Gazebo tea blend that normally sells for $2.71 per pound to create 52 pounds of a tea that can...
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08/17/17
How to find final mass of Fe(III)Cl and limitng reagent?
If 8.3 grams of Fe(III) reacts with 6.3g of Chlorine, what is the final mass of Fe(III)Cl and the limiting reagent?
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08/16/17
If I buy 3.5 grams of sugar and I pay $100 how much do they pay per gram
Struggling with fractions this morning.
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08/16/17
gives the most energy
Which of the following reactions involves investing the most amount of energy?A- (g) → A (g)A (g) → A+ (g)A+ (g) → A+2 (g)A+2 (g) → A+3 (g)
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