ASK QUESTION +

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...
ANSWER
Chemistry
harrystylesbelike
2021-04-06 21:43:03
how many steps to complete mitosis and meiosis??...
ANSWER
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 ...
ANSWER
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...
ANSWER
Chemistry
Smetak105
2021-04-06 11:20:18
Which elements are included in Group 5A?...
ANSWER
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...
ANSWER
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...
ANSWER
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