Chemistry

Chemistry
rosestoyou
2021-03-30 14:12:42
The first person to use the term "atom" was _____. Dalton Democritus Aristotle the Egyptians...
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Chemistry
NeliaHaverland449
2021-03-30 12:03:27
What is the closest planet to the sun?...
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Chemistry
QveenMaree
2021-03-30 07:56:42
Which of the following measurements is expressed to three significant figures? a. 7077 mg b. 0.080 km c. 5.60 mm...
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Chemistry
tiffanyjackson1
2021-03-29 20:23:27
what substance is used in lotions and cosmetics?...
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Chemistry
cole22
2021-03-29 19:48:12
an atom of oxygen is in the excited state. when an electron in the atom moves from the third shell to the second shell energy is...
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Chemistry
Don3
2021-03-29 10:59:27
why do a planets speed change in orbit...
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Chemistry
TifanyFrancescon
2021-03-29 10:47:42
descuss how to find the oldest paper in a stack of papers...
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Chemistry
XCrunner
2021-03-28 21:16:57
Under which conditions does the molar volume of a gas decrease...
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Chemistry
alexnhumberston
2021-03-28 00:06:42
Which best explains why blood is considered to be a suspension? It has nutrients that cannot be dissolved. It contains particles that can settle ou...
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Chemistry
layneweaver
2021-03-27 15:53:12
The correct homonym to fit the following sentence is “lead.” She ____ her friends through the woods. a. True b. False...
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Chemistry
Kckmroe
2021-03-27 09:48:57
What factors does a meteorologist using the trends method consider?...
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Chemistry
LadawnBakerville
2021-03-27 07:51:27
What type of bond is is formed when electrons move permanently from one atom to another upon reaction? a- ionic bond b-covalent bond c-metallic...
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Chemistry
ishaahmed69
2021-03-27 05:18:42
asteroids ate rocky objects that revolve around the earth is it true?...
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Chemistry
Tawneyjeremy
2021-03-27 04:55:12
starch is a example of what...
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Chemistry
girl12
2021-03-27 04:43:27
what type of bond is formed when two nonmetal atoms get close enough for their orbitals to overlap? a- ionic bond b- covalent bond c- metallic bo...
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Chemistry
aannhf24
2021-03-27 01:23:42
what type of bond is formed when two nonmetal atoms get close enough for their orbitals to overlap? a- ionic bond b- covalent bond c- metallic bon...
ANSWER
Chemistry
Kyleighbatman
2021-03-26 06:00:27
Which substance can not be broken down by a chemical change? silicon propane ethane water...
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Chemistry
nananshshs
2021-03-26 04:38:12
Which group on the Periodic Table has elements with atoms that tend not to bond with atoms of other elements? Group 17 Group 1 Group 18 Group 2...
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Chemistry
kaley
2021-03-26 02:05:27
How did the discovery of the electron change the Atomic Model?...
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Chemistry
tbjwichita
2021-03-25 23:56:12
predict how heat would flow if beaker a is moved so that it is touching beaker b...
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Chemistry
Whitemore267
2021-03-25 23:32:42
Which substance cannot be decomposed by a chemical change? 1. HI 2. AlCl3 3. H2O 4. Cu...
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Chemistry
lincolnsamuels
2021-03-25 19:25:57
Given the balanced equation representing a reaction: Br2 + energy ==> Br + Br Which statement describes the energy change and bonds in this reactio...
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Chemistry
Urlaub165
2021-03-25 17:51:57
Which equation represents a physical change? (1) H2O(s) + 6.01 kJ ==>H2O(l) (2) 2H2(g) + O2(g) ==>2H2O(g) + 483.6 kJ (3) H2(g) + I2(g) + 53.0 kJ =...
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Chemistry
domino
2021-03-25 16:53:12
Given the balanced equation representing a reaction: Fe2O3 + 2Al--> Al2O3 + 2Fe During this reaction, the oxidation number of Fe changes from (1) ...
ANSWER
Chemistry
gogetthebacon
2021-03-25 16:29:42
PLEASE HELP I BEG YOU I REALLY NEED HELP PLEASE!!! Mechanical to… Mechanical Light Chemical to… Chemical Heat (Thermal) to… Chemical ...
ANSWER