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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: Differentiate light from heavy powder in the context of pharmacy practice
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Q: How does orthoboric acid react with ethyl alcohol
2 answers
Q: How many grams of potassium fluoride can form if 4.00 grams of potassium are reacted with 3.00 grams of fluorine gas according to the reaction 2K (s) plus F2 (g) and rarr 2KF (s)
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Q: What are the major elements in microbial cell
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Q: Who was the schientist who used the gold foill
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Q: Getting detergent out of clothes
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Q: How much iron is absorbed from a non heme source
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Q: Which is true about water and specific heat It makes water a good solvent. The specific heat is unusually high. it is unusually low. It causes water to heat up easily
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Q: Iodine deficiency can cause what
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Q: Color sulfur after heat or burn
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Q: A gas sample is held at constant temperature. What happens to the pressure of the sample if the volume is doubled and the number of molecules is doubled
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Q: What element is Ar4s23d104p1
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Q: What is the volume of alcohol present in 200.0 ml of a 55 percent by volume solution of alcohol
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Q: By mass of N in HNO3
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Q: For cleaning test tubes
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Q: When a halogen reacts with a metalwhat is formed
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Q: According to the law of conservation of matter the number of is not changed by a chemical reaction.
1 answer
Q: Acids and bases near the ends of the pH scale are very
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Q: What are the coefficients for Al2(CO3)3 plus ZnCl2 to ZnCO3 plus AlCl3
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Q: The formula for sulfuric acid is H2SO4. A mole of sulfuric acid would have how many moles
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Q: Changing nitrogen gas to nitrogen in the soil
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Q: The formula for sucrose is C12H22O11. Figure the molar mass of sucrose to the nearest gram
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Q: Vinegar contains acetic acid. The formula for acetic acid is CH3COOH. One mole of acetic acid has a mass of how many grams
5 answers
Q: If the aroma of a material is not offensive it is probably okay to taste it.
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Q: What is the name for the formula Ba(NO2)2
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Q: What form of the ideal gas law would you use to calculate the volume of the gas
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Q: Chemical weathering would be
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Q: The physical sharing of electron pairs results in a
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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
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Q: Does a strong base have a lower Kb than a weak base
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Q: The particles in a material get bigger when what heated
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Q: The temp of a substance increases as
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Q: What does the prefix trans- in the name of a stereoisomer indicate about the functional groups
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Q: Which of the following describes an aspect of the relationship between Hamm and Clov
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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
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Q: Water's chemical formula is H2O. What does this mean
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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
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Q: What is o4s1h2
1 answer
Q: What is the color of the endosperm after applying iodine solution
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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
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