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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: Which term refers to an element of the context of a procedural document
7 answers
Q: What aspect of a solution causes it to taste sour
1 answer
Q: A scientist helps a colleague do a better experiment by doing what
1 answer
Q: Does a strong base have a lower Kb than a weak base
1 answer
Q: The particles in a material get bigger when what heated
1 answer
Q: The temp of a substance increases as
1 answer
Q: What does the prefix trans- in the name of a stereoisomer indicate about the functional groups
1 answer
Q: Which of the following describes an aspect of the relationship between Hamm and Clov
2 answers
Q: This mineral is used to add flavor to foods and as a sewage treatment
1 answer
Q: Many acids come from chemical supply companies in specially-coated glass bottles with extra-thick walls. What is the most likely characteristic of an acid that requires a special container
1 answer
Q: What is the electronegativity of Bromine
1 answer
Q: Water's chemical formula is H2O. What does this mean
1 answer
Q: Which of the following has the largest radius K plus Na plus Na or K
2 answers
Q: If a shallow pan is filled with water a drop of red ink is placed in one end of the pan and a drop of green ink is placed in the other end which of the following will be true at equilibrium
1 answer
Q: What is the secondary amine with the molecular formula C3H9N
2 answers
Q: Electrolytes of molten sodium chloride gives this product at cathode
2 answers
Q: What is o4s1h2
1 answer
Q: What is the color of the endosperm after applying iodine solution
1 answer
Q: Is butter mixture or pure substance
4 answers
Q: What is the solubility of the oil of acetic acid
1 answer
Q: Why does vinegar slow down rust from forming
1 answer
Q: What is the compound name for CaHO
1 answer
Q: Mixing iron nitrate and hydrogen peroxide what gas is this
1 answer
Q: Osmosis takes place when
2 answers
Q: Do mushrooms soak up water
1 answer
Q: Which symbols below represent the ions found in glass of water
2 answers
Q: A gas has no certain what and no certain what
1 answer
Q: All minerals are nonrenewable
1 answer
Q: Is hair polar
2 answers
Q: What is the approximate percent composition of phosphorus in phosphoric
1 answer
Q: Which solution will conduct electric a sugar solution or a salt solution
2 answers
Q: If two materials are made from different kinds of atoms what else should you expect to be different
2 answers
Q: What coefficiant would al have in the balanced equation
1 answer
Q: Which acid and base will combine to form a salt without forming water
1 answer
Q: What is the first step in the refining of petroleum
2 answers
Q: Do they have laboratories in the 1600s
1 answer
Q: How many kilojoules of heat are absorbed when 0.38 g of chloroethane (C2H5Cl bp 12.3 and degC) vaporizes at its normal boiling point (The molar heat of vaporization of chloroethane is 26.4 kJmol.)
2 answers
Q: What is the complete ionic equation lead II nitrate is mixed with potassium iodide
1 answer
Q: Describe the steps involved in smelting ore
1 answer
Q: How much KCl will remain undissolved if 500 grams is mixed in a liter of pure water at 40 degree celsius
2 answers
Q: What does selenographer study
2 answers
Q: It includes melting
2 answers
Q: How many grams in a cookie box
1 answer
Q: This is when atoms of elements combine by sharing electrons or by the complete transfer of electrons from one atom to another.
2 answers
Q: What pigment only present in plants makes photosynthesis possible
1 answer
Q: What is the number in front of the R in the R configuration
1 answer
Q: The formula for ammonia is NH3. The mass of 3 moles of ammonia would be grams.
1 answer
Q: Represents a correct chemical equation describing the reaction between lithium metal and bromine gas.
1 answer
Q: Is rainwater acidic or alkali
2 answers
Q: The Quantum Number that defines the shape of space an electron most likely resides in is the quantum number.
4 answers
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