3 Answered Questions for the topic Chemistry Help Needed

Chemistry Help Needed Chemistry

07/22/20

A commercial refrigeration unit accidentally releases (7.39*10^1) mL of ammonia gas at SATP. Determine the mass and number of molecules of ammonia gas released.
Please show all the work, because I am getting 2 different answers.Note: Your answer is assumed to be reduced to the highest power possible.
Follows • 1
Expert Answers •2

04/29/18

Chemistry: Stoichometry
A 1.00 gram sample of potassium bicarbonate is decomposed by heating. If the resulting potassium carbonate weighs 0.725 grams and the calculated yield is 0.776 grams, what is the percent yield?
Follows • 2
Expert Answers •1
Chemistry Help Needed

01/21/18

A standard solution contained 0.8 mg/mL. A student took 2mL of the standard solution and added 10mL of water. What is the new/final concentration?
I am taking BIOCH 265ZA: Introduction to Organic and Biochemistry. I took Chemistry approximately 8 years ago and I am just lost. Could you please explain the solution in basic terms. I would... more
Follows • 3
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.