Chemistry

Chemistry
altynbekova9713
2021-04-07 05:33:03
1. What two quantities must be known to calculate the density of a sample of matter? A. color and mass B. mass and volume C. length and mass D. s...
ANSWER
Chemistry
dragão
2021-04-07 03:35:33
A flashlight emits both heat and light where do these forms of energy come from in the flashlight...
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Chemistry
harrystylesbelike
2021-04-06 21:43:03
how many steps to complete mitosis and meiosis??...
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Chemistry
Pecoraino
2021-04-06 19:57:18
HCl reacts with Barium Hydroxide to produce barium chloride and water. how many ml of a 3.00 M hydrochloric acid solution would be required to react ...
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Chemistry
batman1
2021-04-06 15:38:48
According to the second law of thermodynamics, energy tends to become more spread out. True or False?...
ANSWER
Chemistry
tashagaies32
2021-04-06 11:32:03
A 220.0-mL sample ofhelium gas is in a cylinder with a movable piston at 105 kPa and 275 K. The piston is pushed m until the sample has a volume of 9...
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Chemistry
Smetak105
2021-04-06 11:20:18
Which elements are included in Group 5A?...
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Chemistry
Lorilee936
2021-04-06 06:38:18
Which cellular process converts solar energy into chemical energy? F.)respiration  G.)transpiration H.)photosynthesis J.)chemosynthesis...
ANSWER
Chemistry
ange23
2021-04-06 02:31:33
19. What is the most significant factor that controls the development of soil? A. Time B. Climate C. Parent material D. Topography...
ANSWER
Chemistry
bkrodriguez531
2021-04-06 02:08:03
After a sperm and egg fuse together during sexual reproduction, it forms a ____________. Question 1 options: Stem cell Zygote Meristem cell...
ANSWER
Chemistry
RandellSchrieber
2021-04-06 01:09:18
Explain the reactions with oxygen and explain reactivity with links to nuclear charge and shielding...
ANSWER
Chemistry
kristaschily
2021-04-05 23:00:03
What is the smartest particle of the element gold that can still b classified as gold...
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Chemistry
caityyyy
2021-04-05 10:51:33
Which of the following BEST describes the possible impact of tobacco use on families? a. Tobacco use can lead to financial difficulties. b. Tobacco...
ANSWER
Chemistry
soccerbabe141414
2021-04-05 00:28:48
Which of the following is NOT an example of chemical weathering? a. natural plant acid breaking down a rock c. oxidation of metals b. acid rain de...
ANSWER
Chemistry
rhian
2021-04-04 19:23:18
In an experiment where you change only the temperature, temperature is called what...
ANSWER
Chemistry
15owenm
2021-04-04 15:51:48
If people have trouble digesting fats, they most likely have trouble with __________. a. the esophagus and liver b. the pancreas and stomach c. th...
ANSWER
Chemistry
Hey0there0beautiful
2021-04-04 09:47:33
Alkanes are hydrocarbons that contain a. single covalent bonds only. c. carbon and oxygen only. b. single or double covalent bonds. d. carbon, hy...
ANSWER
Chemistry
irisoi
2021-04-04 07:38:18
To balance your weight gain diet, you should a. eat as much as you can. b. concentrate on dairy products. c. consume as many fat grams as possible...
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Chemistry
Carmel794
2021-04-03 05:00:18
According to the FDA, products labeled gluten-free must contain less than _______ of gluten. a. 5 milligrams b. 10 grams c. 20 milligrams d. 50 g...
ANSWER
Chemistry
Mardell520
2021-04-02 16:40:03
how many moles is 1.50x10^23 molecules of NH3?...
ANSWER
Chemistry
EdisonZuchowski
2021-04-02 06:40:48
Failure to correctly identify the difference between scholarly and popular sources can lead to all of the following consequences EXCEPT: (Points : 1)...
ANSWER
Chemistry
MTHRFCKR
2021-04-02 03:32:48
What is the atomic number of an ion with 5 protons, 6 neutrons, and a charge of 3...
ANSWER
Chemistry
stullenbargerel
2021-04-01 10:42:18
ZnO + 2HCl --> ZnCl2 + H2O what is the maximum amount of ZnCl2 which could be formed from 3.52 mol of ZnO and 18.82 mol of HCl...
ANSWER
Chemistry
frog2
2021-04-01 04:14:33
Which describes uniformitarianism? a. The rates of geologic change increase with time. b. Geologic processes operating now are the same as those th...
ANSWER
Chemistry
Julester
2021-03-31 19:37:33
Calculate the atomic mass if Cu-63 and Cu-65?...
ANSWER