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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: Why is it important to clean the filter between the samples
1 answer
Q: According to Le Chatelier principle what happens if heat is added to a system
2 answers
Q: Oxidation number of mn in mno4-
1 answer
Q: Which measuring apparatus for the volume of liquid is the most appropriate to use for accuracy Why
2 answers
Q: According to avogadros law what is characteristic of 1 mole of gas at STP
2 answers
Q: Properties that describe the appearance of matter are known as
4 answers
Q: What substance does not mix with water
1 answer
Q: Two or more substances that have been combined but not chemically changed.
9 answers
Q: Albert remembers his teacher stressing that the arrow in a chemical equation does not mean equals. Instead he said the arrow meant .
2 answers
Q: Does poop evapourate
2 answers
Q: What is true of all covalent bonds
1 answer
Q: What will the total pressure be and partial pressure be if two gases with pressures of 2 ATM and 3 ATM are mixed at a constant temperature
2 answers
Q: Ask us anythingWhich of the following intermolecular forces is the strongest
2 answers
Q: Oxygen composes approximately what percentage of air we breathe
2 answers
Q: SO3 is an empirical formula for what
2 answers
Q: The gas in the soil that is the most important for plant growth
1 answer
Q: Calcium has an atomic number of 20. it can form an ion by losing 2 electrons. what would it's chargde be
3 answers
Q: Why does sodium not occur freely in nature
1 answer
Q: Whai the formula of sodium hydogensulfite
1 answer
Q: What is deuctive reasoning
1 answer
Q: WHAT IS THE CHEMICAL FORMULA OF sulfur tetrafluoride
3 answers
Q: A grouping of atoms
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Q: Examine the table and answer the question. Which of the following would be the best title for this table
3 answers
Q: What is the orgin name for caesium
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Q: Potassium k has an atomic number of 19 it often forms an ion by losing 1 electron how many electrons would the ion have
2 answers
Q: What element can be found in humans bones
1 answer
Q: On Halloween you take a glow stick crack the capsule inside and shake it until it glows. This is an example of light energy being created from energy.
1 answer
Q: How many subunits does glucose have
2 answers
Q: What is the flame test color of argon
1 answer
Q: Is krypton malleable or not mallable
2 answers
Q: What is difference between the difference between brittleness and hardness
1 answer
Q: Copper plus water plus oxygen gives copper hydroxide is what type of reaction
2 answers
Q: Type the capital letter that represents a correct chemical equation describing the reaction between lithium metal and bromine gas.
2 answers
Q: Diatomic elements are generally stable.
4 answers
Q: Type the capital letter that represents a correct chemical equation describing the reaction between aluminum metal and sulfur.
2 answers
Q: Why does a light BURN out
7 answers
Q: How does a compound occur naturally
1 answer
Q: What is the molecular formula of the compound CH2 with a molar mass 42.0 gmol
2 answers
Q: How many moles of neon (Ne) gas have a volume of 0.84 L and a pressure of 4.6 ATM at 222 K (The universal gas constant is 0.0821 L and bullatmmol and bullK.)
2 answers
Q: What is the stock name of SnI2
2 answers
Q: What does the reaction below represent Carbon dioxide plus water plus energy and rarr glucose
1 answer
Q: Why methanol is miscible to water
6 answers
Q: Is potassium sulphate a base or acidic
3 answers
Q: What happens to the number of molecules of the gas when it is compressed
2 answers
Q: Science what do you use for heating small amounts of liquid
2 answers
Q: What type of bond is Ar
1 answer
Q: Is sodium nitrate soluble
9 answers
Q: How many grams of Al2S3 can be formed from the reaction of 108.00 grams of Al with 5.00 grams of S
3 answers
Q: What is the chemical compound for PbO
10 answers
Q: What is the density of a 6.0 and times 102 mL liquid sample that weighs 450 g
2 answers
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