chrjergre6520
10.10.2019 •
Chemistry
When a kettle is placed on the stove and water begins to boil, the hotter water at the bottom begins to rise and the cooler water above it begins to sink. what do we know about the relationship between the hotter water and the cooler water?
a. the hotter water is less dense.b. the hotter water has more radiation.c. the cooler water is less dense.d. the cooler water has more radiation.
Solved
Show answers
More tips
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- P Philosophy 8 привычек, чтобы достичь счастливой жизни...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- G Goods and services How to Choose the Right Iron: Purchase Tips...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- H Health and Medicine How to Choose the Right Glasses?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine AKDS Vaccination: Ensure Your Child s Safety...
- H Health and Medicine Flu: How to Recognize It by the First Symptoms?...
- H Health and Medicine What to Do If You Are Bitten by a Dog?...
Answers on questions: Chemistry
- C Chemistry Difference between compounds and mixtures. how do you separate them...
- S Social Studies Which of the following is not correct as it relates to informants? Informants often expect pay or consideration on pending charges against them. Investigators should not accept...
- M Mathematics Calculate the wavelength that has a frequency of 1.5 x 10^15 Hz and velocity of 6393 m/s...
- C Chemistry How many joules are absorbed when 200. g of water is raised from 10.0 c to 40.0 c ? a. 126j b. 840j c. 25,080...
Ответ:
Ответ:
a is the answer the hotter water is less dense.
Ответ:
pH= 12.7
Explanation:
a)Keep an emergency kit and fresh water in your car in the event of _an unexpected event.
b) pOH= -log[OH-]
pOH= -log[5.00×10^-2]
pOH= 1.3
But pH+pOH= 14
pH= 14-pOH= 14-1.3
pH= 12.7