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John McCann

Answered: How to set up mole/particle conversions on a ...

Particle? As in atom? some moles (6.022 X 10^23/1 mole something) = number atoms/particles Need further clarification from you.
M.A. Rajagopal

Answered: How many grams of oxygen are formed when 6.21 ...

Coul you please add mopre details to your question. It looks ambiguous. Please state the exact reaction. Thank you.
John McCann

Answered: If 39 grms of zinc react with hydrochloric acid ...

Balanced equation. Zn + 2HCl -> ZnCl2 + H2 39 grams zinc (1 mole Zn/65.41 grams)(2 mole HCl/1 mole Zn)(36.458 grams/1 mole HCl) = 43 grams HCl needed -------------------------
M.A. Rajagopal

Answered: How to solve for limited reactions

Go to google and type "limiting reactants". There are a number of worked examples.
Ranger

Answered: Which is worse for the environment freon 12 or ...

If you read the Montreal Protocol, Freon 11 and 12 was banned in the United States along with many other countries due to concerns about damage to the ozone layer.
John McCann

Answered: Chemistry help

2.75 X 10^4 kilojoules (1000 joules/1 kilojoule)(1 calorie/4.184 joules) = 6.57 X 10^6 calories -------------------------
Elden

Answered: What is the amount of volka sold yearly in US and ...

No way to tell because so many companies do it and don't share their numbers.
M.A. Rajagopal

Answered: How many atoms of H are in 3 moles h2o

1 mol of H2O contains 2 moles of hydrogen atoms. So 3 moles of water will contain 6 moles of hydrogen atoms. 1 mole of hydrogen contains 6 x 10^23 atoms. Therefore 3 moles of water will contain 6 ...
Elden

Answered: Step by step on how to determine the standard ...

Can you provide a step by step description what this is?
lori

Answered: Chemical reaction

If you are working at hazardous waste material site the you need to take dangerous goods training .
John McCann

Answered: If the blood contains 10.5 mg/dL of calcium ...

2.5 milligrams/deciliter (1 liter/10 deciliters)(1 gram/1000 milligrams)(1.06 quarts/1 liter) = 2.65 X 10^-4 grams/quart * 6 = 0.00159 grams per quart --------------------------------
John McCann

Answered: What is the total mass in grams of a series of ...

753 mg (1 gram/1000 mg) = 0.753 grams -------------------- 0.437 kg (1000 grams/1 kg) = 437 grams ----------------
John McCann

Answered: What is the chemical structure of thymol

C10H14O 2-isopropyl-5-methylphenol
Matt

Answered: Properties of chloronated ethers

Try Wolfram Alpha. http://www.wolframalpha.com/
PGroot

Answered: Where can i buy strontium titrate jewelry

There are lots of places you can find if you search for "strontium titanate jewelry" (not titrate).
Jonathan

Answered: Chemicals in ammonium nitrate when heating /carbon ...

I think you might get ammonium nitrate when you heat it, but it is very dangerous and its better to stay away from such chemicals, and also you need to be very very careful in transportation of ...
John McCann

Answered: What polysacchride is found in celery?

Mostly cellulose and pectins.
Bonestructure

Answered: Use of defective scientific instruments

Well, I'm not with the Academy of Science, but no, it is definitely NOT proper to use faulty instruments. Even if the instrument behaves properly while you use it, no data collected, no hypothesis ...

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