Chemistry

Chemistry
saputroasep
2020-11-29 08:06:27
Calculate the volume of co2 produced at 37 Celsius...
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Chemistry
blackempresssh
2020-11-29 06:44:12
3. Look at the positions of calcium, beryllium, and magnesium on the periodic table. Based on their locations, predict how many valence electrons the...
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Chemistry
rblessin4409
2020-11-29 03:59:42
4,600,000,000,000 in scientific notation...
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Chemistry
Jefferey871
2020-11-29 02:25:42
A lab has 60 ml of a solution of uranium sulfate dissolved in water. based on the work done by the curies, how can the amount of radioactivity be red...
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Chemistry
Jezzie
2020-11-28 17:01:42
What is the storage area for dna inside a cell?...
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Chemistry
mariahdmata23
2020-11-28 09:46:57
The atomic number of an element is the same as its _________________.neutronsmassreactivityprotons...
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Chemistry
bryseida
2020-11-28 08:12:57
What type of energy is the driving force of weather conditions?...
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Chemistry
stevenalgeiger
2020-11-28 05:51:57
Which shows the correct order of steps in the formation of coal?layers of dead plants pile up → plant matter is buried by rocks and dirt → dead p...
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Chemistry
Hamza123
2020-11-28 04:06:12
Rank the following elements by electron affinity, from most positive to most negative EA value: tellurium, bismuth, neon, sodium, iodine i tried Te,...
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Chemistry
DarrickMundz
2020-11-28 03:19:12
In the vertical columns of the periodic table, as the atomic numbers increase: a. the number of electron shells increases. b. the ionization ener...
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Chemistry
ChrystalHoyne445
2020-11-28 00:46:27
When was helium discoved?...
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Chemistry
roxi0497
2020-11-27 22:37:12
Classify each of the following as a redox reaction or a non-redox reaction. Zn+CuCl2 -> ZnCl2+Cu HCl+NaOH -> H2O+NaCl 2CO+O2 -> 2CO2 SO3+H2O -> H2SO...
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Chemistry
jenique56
2020-11-27 22:25:27
A 0.210 mol dm-3 solution of potassium hydroxide was added from a Burette to 25.0cm3 of a 0.160 mol dm-3 solution of ethanoic acid in a conical flask...
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Chemistry
davefromgg
2020-11-27 20:51:27
How many molecules does 36.0 grams of water represent?...
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Chemistry
brybry
2020-11-27 19:29:12
why does aluminium react with iron oxide!...
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Chemistry
cand
2020-11-27 18:18:42
why are different metals sometimes added to molten carbon steels...
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Chemistry
nikijohnes
2020-11-27 18:06:57
How to work out the ph of a 0.4 mol per litre solution of sulphuric acid...
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Chemistry
chrisozs
2020-11-27 17:19:57
The alloy stainless steel is used instead of pure iron for the ball of the pen. Give two reasons why....
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Chemistry
Kangster89
2020-11-27 12:26:12
How many moles of sulfur are in 23.2 g of (C3H5)2S? How many atoms of hydrogen are in 0.75 moles of (C3H5)2S? How many grams of carbon are in 4.20*...
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Chemistry
gwappgirl
2020-11-27 10:28:42
Similarities between Noble Gases and Alkali Metals?...
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Chemistry
honda166
2020-11-27 09:53:27
Percentage compostion of carbon in CaCO3...
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Chemistry
chloeholmes897
2020-11-27 04:24:27
Is each genus of organisms is divided into classes...
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Chemistry
Kanthak622
2020-11-27 00:17:42
what happens when two minerals have different arrangememts of atoms...
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Chemistry
ImScary
2020-11-26 20:34:27
Percentage composition Percentage of Mg in MgO Percentage of oxygen in CO2 Percentage of calcium in CaCO3 Percentage of Nitrogen in H2NO4 ...
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Chemistry
faty10jolie
2020-11-26 15:28:57
Food that people eat provides us with what that we need to survive?...
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