06/09/17

What information do you need to calculate percent composition by mass?
% Composition Question 
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06/09/17

Why are actual yields generally less than theoretical yields?
Limiting Reactant Questions
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06/09/17

What is likely to have occurred if a calculated percent yield is larger than 100%?
Limiting Reactant Questions
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06/09/17

How much water will be added to 20ml of alcohol to make it 20% alcohol solution?
It is a question o class 9 chemistry CH 2   
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06/02/17

If I made a 70 last semester and a 65 this semester what does it average out to be ?
Not knowing if I'm going to pass 
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06/02/17

10 players on a team, 2/5 are girls, how many grils on a team?
   1
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06/01/17

What are the products of this reaction? ( Show Work + Explain )
KCl + PbThe product would be There would be no reactionI am pretty sure, but can you explain why please?
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06/01/17

What are the products of this reaction? ( Show Work + Explain )
Al2O3 The product would be Al + O2 I am pretty sure, but can you explain why please?
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06/01/17

If 107.00 g of Na3P react how many grams of NaF would be produced? (Show Work Please)
If 107.00 g of Na3P react how many grams of NaF would be produced? Formula 2Na3P + 3CaF2 = 6NaF + Ca3P2 (already balanced)
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05/31/17

Write the formula + include ALL states of matter (Show Work Please)
Aluminum nitrate in solution reacts with aqueous potassium hydroxide to produce aluminum hydroxide and potassium nitrate
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05/31/17

if 1/3 is subtracted from a number and the difference is multiplied by 6 and the result is 15. find the number
I AM NOT ABLE TO SOLVE THIS QUESTON KINDLY HELP ME
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05/31/17

Evan ran and biked for a total 14 miles. He biked two more than three times the number of miles he ran. How many miles did Evan run?
A) 3 B) 8 C) 11 D) 4
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05/30/17

calculate the number of hydrogen atoms in...
Calculate the number of hydrogen atoms there are in 75.00 grams of C6H14O4
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05/30/17

How many grams of water (H2O) will be produced when 15.98g of hydrochloric acid (HCl) is neutralized by an excess of NaOH
How many grams of water (H2O) will be produced when 15.98g of hydrochloric acid (HCl) is neutralized by an excess of NaOH  
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05/30/17

Each sample weighs 189 grams. the post office charges $39cents for each 56 grams of weight. How ,uch would magic meals spend on postage tomailout77freesamples ?
please help me aqnswer this quiz
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05/29/17

What does Literal and Figurative Terms mean?
For example, there is a quote that says, "the elm was untenanted and rocked back and forth like an empty cradle," what is the Literal and Figurative Term in this quote?
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05/29/17

Describe three differences between ionic and covalent bonds.
Describe three differences between ionic and covalent bonds.
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05/29/17

How many grams of sodium are in 50 grams of NaBr
It is chemical quantities
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05/29/17

True or false; Histamines are released when the skin blocks germs from entering the immune system.
If false, rewrite the statement so it is true
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05/29/17

I need some help on how to set up this question to do the math.
  The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.83, and and they leave a 20% tip. If the tip applies to the cost of the meal before the... more
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05/27/17

Chemistry Study guide
If we titrate 125.0 mL of HCl with 137.0 mL of 3.0 M KOH what is the molarity of the HCl?HCl (aq) + KOH (aq) → H2O (l) + KCl (aq)   Finals are on Monday. I am having trouble understanding how to... more
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05/27/17

Solve chemistry study guide.
3. Suppose that you have 110.0 mL of Na2CO3 that is 2.5 M. If this breaks down according to the following chemical equation, how many liters of CO2 gas will be released at STP? I assume that for... more
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05/24/17

How many grams of copper would you expect to form from 34.0g of Fe?
theretical yeild
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05/24/17

Check concepts
28. Which phrases best describes solution of equals concentration of HCI and CH3COOH?   A)do not have the same pH b)will react the same with metals c) will make the same salts d) the same... more
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05/24/17

Which gas will relight a glowing splint ?
                                                    Which gas will relight a glowing splint ?   (a). Oxygen (b). Nitrogen (c). Carbon Dioxide (d). Helium                                    ... more
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