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Science
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2HCl + Na2CO3 => 2NaCl + CO2 +H2O HCl and Na2CO3 both have volume of 20cm3, concentration 2M. The question is what mass of CO2 in g is produced. I calculated that the number of moles for the limiting...
A patient has a body surface area of 1 .42 square meters. The recommended dose is 3.3 milligram per square meter of BSA. The label on the bottle reads 25 milligrams per milliliter. The patient was...
How many grams of dextrose would you need to prepare 1000. grams of a 5.00% solution of dextrose? Give answer to 3 sig figs. Show work.
A patient has been prescribed 0.0625 milligrams of Lanoxin. The bottle is labeled 0.05 milligrams per milliliter. How many milliliters will you administer to the patient? (Give your answer to 3 sig...
It is convenient to add salt to butter, produced in a continuous buttermaking machine, by adding a slurry of salt with water containing 60% of salt and 40% of water by weight. If the final composition...
.... plus a lot more. Rupert Sheldrake asks some interesting questions. If you would like ammunition to attack him, I'll give you a helping hand; https:/
There was an interesting piece on Radio 4's excellent More or Less programme last week about which planet is our nearest neighbour. If you didn't hear the programme I'd be interested to know what...
If the universe is expanding , is anyone / institution , constantly updating the information as to the distances between planets /stars / galaxies ?
I watched one of Michael Portillo’s ‘Great Railway Journeys’ tonight. This time Alaska. Interestingly his Appleton’s Guide, published in the 1890s, noted that summers in Alaska were getting...
Do you think that's a possibility?
https:/
How do Black Holes swallow matter? They have high gravity, but almost every object that approaches them should go into orbit in the same way that almost everything in the Solar System orbits the Sun....
what is the professional formulation of whit board erasable ink
When will the latest pictures of China's moon landing, on the unseen side of the of the moon be available to see ?
Why do humans...as opposed to other animals...seem to have such a difficult time giving birth? Ive seen various animals giving birth to their offspring while happily eating grass or something. Cant...
What is eco-environmental change?
I am doing a college project which requires me to talk about the lab and also some equipment. Rock saw (manual and automatic),heat lamps, air compressor, bench top drill press, water table, electric...
Mentioned to someone that the public swimming pool was cool. Was told by staff that it was cooler because lots of school children had just had a session in it.
Is this scientifically correct?...
Write down the issues related to climate change
My Daughter and I went for a spa day at a local hotel/leisure centre. In the steam room there were lots of small insects crawling over the tiled area we were sitting on - predominantly on the area at...
When will the latest mars mission pictures be shown ?
