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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: What is needed to balance the reaction CI2 KI - KCI I2
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Q: Does acid fizz on granite
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Q: Which of the following elements is a transition metal
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Q: Does every organism need oxygen
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Q: What element has the lowest electronegativity bromine lithium carbon fluorine
4 answers
Q: How can a mixed melting point confirm the identity of an unknown compound
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Q: When paper is burned why is the mass of the remaining ash less the the mass of the original paper
6 answers
Q: Is stitching of cloth a physical change
5 answers
Q: What is Kb for (CH3)3N(aq) H2O(l) (CH3)3NH (aq) OH-(aq)
2 answers
Q: What are the uses of the first 20 elements of the periodic table
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Q: Is pure magnesium a dangerous metal
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Q: Is sand fluids
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Q: When was the current level of oxygen reached
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Q: What happens if you breath in nail polish remover
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Q: What is the chemical name for Mg(H2AsO4)2
2 answers
Q: Who is known as the father of modern chemistry because he first organized all known elements into four different groups
2 answers
Q: Can fluoride and chloride form an ionic bond
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Q: What are three elements that make sugar
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Q: Is a tomato a compound
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Q: What must happen to compressed oxygen before it can be inhaled
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Q: What is the electron configuration for a neutral potassium atom
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Q: Does pumice react with hydrochloric acid
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Q: A sample of the compound prepared in this experiment weighing 0.1021 g is dissolved in HNO
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Q: Why is excess oxygen used in contact process
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Q: What is a sentence with cinnamon
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Q: Which is not a way to express the hydroxide and hydronicum ion concentrations in pure water at 25
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Q: Which of the following describes vodou
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Q: What solid depends on hydrogen bonds to hold it together
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Q: What solid depends on electron sharing to hold it together and does not conduct electricity
3 answers
Q: What solid is malleable and does not dissolve in water
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Q: What type of bond for calcium and chlorine
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Q: What happens to water at 100 Celsius as pressure is increased from 0.8 ATM to 1.2 ATM
2 answers
Q: What does it mean if it says Alloy inside my ring
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Q: When you rearrange the BATTLES what word will you get and the clue is a medicine in solid form
3 answers
Q: Which equation shows how to calculate how many grams (g) of KCl would be produced from 4 mol KOH
9 answers
Q: When some aci is added to a solution of an alkali will the pH value of the solution increase or decrease explain
1 answer
Q: Why blocking buffer is used in Elisa
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Q: What best determines the direction that carbon dioxide and oxygen molecules move
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Q: Is quartz sand bad
2 answers
Q: How many grams of carbon dioxide are produced from the combustion of 1.3 moles of acetylene C2H2
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Q: How many moles of acetylene (C2H2) are needed to completely react with 12 moles of oxygen
10 answers
Q: What happens if you melt opal
1 answer
Q: Is calcium a noun
1 answer
Q: What is a boiling point water
3 answers
Q: What happens in the nerve when the sodium channels stay open
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Q: Which element will form a double bond with oxygen making a molecule with one atom of the element and one oxygen atom
2 answers
Q: What does it mean to be a polar compound
1 answer
Q: What is a chemical equation like
1 answer
Q: What indication do the experimental results give regarding the purity of the samples used
2 answers
Q: What forces cause the eluding solvent to move along the chromatography paper
1 answer
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