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Chemistry

Chemistry
tfios1975
2021-05-14 20:20:33
Which event best helped Becquerel determine uraniun radiates rays ? A)a cloudy day B)a substance glowing in the dark C)wrapping of ore in paper ...
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Chemistry
breeanacovey
2021-05-14 11:31:48
Fish give off the compound ammonia which has a pH above 7. To which class of compounds does ammonia belong?...
ANSWER
Chemistry
fatboylaughs
2021-05-14 01:44:18
5 kinds of trace fossils...
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Chemistry
joesmo
2021-05-14 01:32:33
The number of electrons that can be held in the first orbit (closest to the nucleus)...
ANSWER
Chemistry
Quincereliford
2021-05-13 15:21:33
describe how a physical property such as master texture can change without causing a change in the substance...
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Chemistry
Consuela865
2021-05-13 13:47:33
pure water is neutral, but does not form "an excess" of two ions when salt is added. what are the names of these two ions and which ions are they in ...
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Chemistry
Not2brite
2021-05-13 11:03:03
granola a solution colloid or suspension...
ANSWER
Chemistry
johnnyboy9000
2021-05-12 18:59:33
What is organic chemistry?...
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Chemistry
abdurrehmaninte
2021-05-12 16:38:33
What is the element Ar classified as in the periodic table?...
ANSWER
Chemistry
Tijuana35
2021-05-12 16:26:48
explain why organisms need enzymes to survive?...
ANSWER
Chemistry
ashlinicoleans
2021-05-12 15:39:48
Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about the salt sample that Gerry is looki...
ANSWER
Chemistry
Trinjo
2021-05-12 09:59:03
5. What is the density of an 84.7 g sample of an unknown substance if the sample occupies 49.6 cm3?...
ANSWER
Chemistry
Buford12
2021-05-12 09:47:18
6. What volume would be occupied by 7.75 g of this same substance?...
ANSWER
Chemistry
Luciars
2021-05-12 07:38:03
What do compounds and mixtures have in common...
ANSWER
Chemistry
Scoo
2021-05-12 04:41:48
What are the tiny particles that make up protons and neutrons...
ANSWER
Chemistry
DanelleSutphen
2021-05-12 02:56:03
Compare the structure of the emulsifying agent to that of a soap. how are they similar?...
ANSWER
Chemistry
TandyDrungo862
2021-05-12 02:20:48
Why are some elements stable on their own while others are more stable in compounds?...
ANSWER
Chemistry
lian2015
2021-05-11 22:37:33
Find the number of moles in 24.6 grams of Sr...
ANSWER
Chemistry
Czarny202
2021-05-11 12:03:03
For barium and silicon plz give me oxidation number for both and chemical formula and drawn model! If possible do it for barium and silicon as well...
ANSWER
Chemistry
Nenita601
2021-05-11 11:27:48
What is the balanced equation for: Mg(NO3)2 + K3PO4 ----> Mg3(PO4)2 + KNO3?...
ANSWER
Chemistry
djsgqemeza
2021-05-11 11:04:18
What is the balanced equation for: C2H6 + O2 ----> CO2 + H2O?...
ANSWER
Chemistry
sofi6501
2021-05-11 08:08:03
what happens when a chemical change occurs...
ANSWER
Chemistry
tay20
2021-05-11 05:23:33
fish give off the compound ammonia which has a pH above 7 to which class of compounds does ammonia belong...
ANSWER
Chemistry
Shondra187
2021-05-10 18:13:48
Which two particles in an atom are equal in number...
ANSWER
Chemistry
fernadaesq49
2021-05-10 17:50:18
what does kinetic energy depends on...
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