Chemistry, 15.09.2021 03:10 dustinquiz255
PROCEDURE Part #2: Object Sort
Now that you are more familiar with the powers of ten, arrange the following items from LARGEST to SMALLEST.
1. Width of human hair
2. Wavelength of microwaves
3. Thickness of a dollar bill
4. Period at the end of this sentence
5. Diameter of red blood cells
6. Radius of a hydrogen atom
7. Diameter of a proton
8. Wavelength of a gamma ray
9. Diameter of the nucleus of a gold atom
10. Diameter of a neutron
11. Size of a typical virus
12. Diameter of the DNA Helix
13. Length of a grain of sand
14. Diameter of the smallest bacteria
15. Diameter of average cell in the human body
16. Size of a small ant
Answers: 3
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest
Answers: 1
PROCEDURE Part #2: Object Sort
Now that you are more familiar with the powers of ten, arrange the...
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