09/02/17

Percentages
Which is the least and which is the greatest.. 0.125%, 0.35%, 0.6%  
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09/02/17

permutate pairings
NON ACADEMIC QUESTION: Over the years I have struggled with a (social) math problem involving organising golfers in a travelling group so as to maximise playing combinations whilst minimising... more
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09/01/17

What impact does Technetium-99m radiatracer have on society?
this is a science as a human endeavour task.
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09/01/17

You have 3.68 lbs of table salt. The density of table salt is 2.2 g/cm^3. What is the volume of the salt in liters?
You have 3.68 lbs of table salt. The density of table salt is 2.2 g/cm^3. What is the volume of the salt in liters?
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08/31/17

Convert 0.092 moles of argon (Ar) gas at STP to liters.
I could really use some help.
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08/31/17

How many grams of hydrogen cyanide (HCN) gas are there in 23.8 liters at STP?
I don't know how to solve this problem and I have been working on it for the last 30 minutes or so.
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08/31/17

Convert 42.97 grams of carbon monoxide (CO) to liters at STP.
I don't know how to solve this question
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08/31/17

How many liters of chlorofluorocarbon (CCl2F2) are required to completely react with 22,400 liters of hydrogen (H2) gas at STP in the following reaction?
I don't know how to solve this problem and I have been trying  all day.
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08/31/17

How many grams of methane (CH4) equal 7210 liters at STP?
I don't known how to solve this problem and I have tried the two methods.
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08/31/17

Karen's batting average was 0.444. She went to base 45 times. How many hits did she get?
 I had trouble with this.
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08/31/17

is 12.5mm the same as 1.25cm
 I need help with my math work
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08/31/17

amoxil 4 tsp is ordered. available is amoxil 250mg/5mls. how many milligrams will be given?
Need assistant for my math dosage class. How to convert tsp to milligrams
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08/31/17

I have a piece of steel 156"long. I need to produce 12 pieces from that. how many inches is each piece?
need help with this
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08/30/17

Frequency question
What frequency is associated with 486.13 nm?
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08/30/17

For the following reaction, how many liters of oxygen (O2) gas are produced from the decomposition of 22.1 grams of mercuric oxide (HgO) at STP?
This is the last part of the question, 2 HgO (s) ⟶ 2 Hg (l) + O2 (g)
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08/30/17

What volume of hydrogen gas at STP may be prepared by the reaction of 7.62 g gallium (Ga) with an excess of hydrochloric acid (HCl)? Use the following reaction
I need help solving this question. The reaction is 2 Ga (s) + 6 HCl (aq) ⟶ 2 GaCl3 (aq) ­+ 3 H2 (g)
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08/30/17

If 66.2 Liters of Carbon Monoxide gas react with excess Hydrogen, how many grams of methanol (CH3OH) can be made? CO (g) + 2 H2 (g) ⟶ CH3OH (g)
I need help solving this problem.
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08/30/17

What volume of nitric oxide (NO) can be produced from the complete reaction of 54.6 grams of ammonia (NH3) gas at STP? 4 NH3 (g) + 5 O2 (g) ⟶ 4 NO (g) + 6 H2O (
i could use some help
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08/30/17

is released during stress and speeds up the heart.
 is released during stress and speeds up the heart.
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08/29/17

Rank the following atoms from least to most electronegative.?
a. nitrogen, oxygen, carbon, fluorine b. oxygen, sulfur, chlorine, bromine c. hydrogen, carbon, fluorine, chlorine Here is what I got: a. carbon, nitrogen, oxygen, fluorine b. bromine, sulfur,... more
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08/29/17

what is 10 to the power 10 to the power -10 i.e. (10^10^-10)
I was thinking the answer would be 10^-100, but the answer is 1. Can someone explain how?
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08/29/17

If a balloon is filled with 2.2 L of air at a pressure of 1.3 atm, what will the volume be if it is taken up to a pressure of 0.2 atm?
I need some help on this last problem, I have been working on this for awhile.
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08/29/17

A canister of gas has a volume of 127 L at 9.0 °C. What would its new volume be if it were heated up to 87 °C?
I need some help with Gas Laws.
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08/29/17

How many moles of gaseous nitrogen are contained in a 100.2-L bulb at 563 K if the pressure is 1.79 atm?
Im terrible at Gas Laws.
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08/29/17

A 30.92-L container is filled with oxygen gas at STP. Calculate the temperature when the container is crushed down to 3.1 L and 2.7 atm.
I don't understand this question. I could se some help!
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