Chemistry

Chemistry
mahrukh126
2020-11-16 12:03:42
7. ____ is a chemical compound that forms tangled fibers in the cell walls of plants. A. stomata B. cambium C. cellulose D. cuticle 9. The most...
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Chemistry
kaylacortright
2020-11-16 10:06:12
list 2 everyday situations in which it would be useful to identify unknown substances....
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Chemistry
keilabonita460
2020-11-16 04:48:57
What uses lines of bubbles in a superheated liquid to track particles?...
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Chemistry
crs42499
2020-11-16 04:37:12
What is the oxidation number of NH4OH?...
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Chemistry
robynuktx
2020-11-16 04:25:27
What is the concentration of a solution prepared by adding 50.0 mL of a 3.0 M HCl solution to a 250 mL volumetric flask and filling to the mark with ...
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Chemistry
Vignesh
2020-11-16 03:26:42
How many molecules are in 125g of sugar.?...
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Chemistry
webczarnecki
2020-11-16 02:39:42
If an atom of sodium has 11 protons, what is its approximate atomic mass?...
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Chemistry
hbaird4522
2020-11-15 20:58:57
Draw the best lewis structure for bro4- and determine the formal charge on bromine...
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Chemistry
matthew03
2020-11-15 15:53:27
Various properties of a liquid are recorded during an experiment. the volume of the liquid is measured to be 25.5 milliliters. the density of the liq...
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Chemistry
sweetvanessa792
2020-11-15 13:32:27
Which is a property of a neutron? A) 0 charge B) +1 charge C) -1 Charge D) Essentially no mass...
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Chemistry
jjboese
2020-11-15 10:00:57
What did the cathode ray discover??...
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Chemistry
DarlineStruckhoff
2020-11-15 08:38:42
describe one way to separate sugar from a sugar-and-water mixture...
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Chemistry
cwarrick
2020-11-14 21:28:57
What did Ernest Rutherford’s gold foil experiment demonstrate about atoms? A.Their positive charge is located in a small region that is called th...
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Chemistry
thathawaiian808
2020-11-14 02:17:27
What happens to the composition of an atom to cause it to become positively or negatively charged?...
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Chemistry
sches
2020-11-13 19:49:42
How Many atoms are in 1 mole of tantalum, Germanium, Rhodium, Nihonium?...
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Chemistry
ebullins813
2020-11-13 08:51:42
if a solution has virtually no hydrogen ions what type of pH does it have? 0 7 2 13...
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Chemistry
marionberry2468
2020-11-13 03:46:12
What information does absolute dating provide about the layers of the earth?...
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Chemistry
Otiseechampion
2020-11-12 19:09:12
Please help! What does implementing mean?...
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Chemistry
Hysom884
2020-11-12 17:58:42
PLEASE HELP OR EXPLAIN!!...
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Chemistry
klaytoncollins
2020-11-12 14:38:57
What type of change occurs when water changes from a solid to a liquid? A. a phase change B. a physical change C. an irreversible change D. both a an...
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Chemistry
quick0110
2020-11-12 07:12:27
When adding or removing energy, is that considered a chemical change, a physical change, or both?...
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Chemistry
jellysoup98
2020-11-11 11:25:42
Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed. The ...
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Chemistry
RedHeart
2020-11-11 09:16:27
Why do object change speed or direction?...
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Chemistry
arranansley
2020-11-10 20:56:12
explain the relationships among balancing, chemical equations, and endothermic/exothermic...
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Chemistry
Giansang
2020-11-10 19:45:42
the process by which rocks break down as a result of chemical reactions is called ----...
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