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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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Questions
Q: What is the mass of 2.00 moles of carbon dioxide CO2
5 answers
Q: What happens when hydrochloric acid and sodium chloride react
4 answers
Q: What is the change of state when a liquid is turned into an acid
1 answer
Q: Are all fuels solid
2 answers
Q: What is the chemical formula for Mg and O
1 answer
Q: If water is evaporated what is the change of state
1 answer
Q: If fats melted what is the change of state
1 answer
Q: What minimum mass of H 2 SO 4 would you need
1 answer
Q: How many molecules (not moles) of N H 3 are produced from 5.81 and times10 and minus4 g of H 2
2 answers
Q: What happens to the freezing point of pure water when salt is added to it
12 answers
Q: What colour does citric acid turn an universal indicator
1 answer
Q: Why is NaOH heated before adding BaCl2
4 answers
Q: What is the colour of of an iodine solution
1 answer
Q: How many carbon atoms are present in a mole of 12C
1 answer
Q: What is the total number of atoms in one molecule of iron oxide
1 answer
Q: Which chemical change causes a cake to rise
2 answers
Q: Which chemical property makes a substance suitable as a fuel
1 answer
Q: Is parchment paper semi permeable
1 answer
Q: What does the chorofluorocarbon mean
1 answer
Q: Where should such an opening be in simple distillation
1 answer
Q: Why is better separation of two liquids achieved by slow rather than fast distillation
7 answers
Q: When will a double displacement reaction not occur
2 answers
Q: What is a filter funnel is used for in science
1 answer
Q: Why potassium chloride is able to dissolve in water
1 answer
Q: Is CH2O an acid or a base
1 answer
Q: Is CHCl3 an acid or a base
1 answer
Q: What is the starting substances (ingredients) that are evolved in a chemical reaction
1 answer
Q: What is the name of I2cl6
2 answers
Q: Can carbon dioxide be easily separated into its elements
1 answer
Q: What is the covalent compound name for SCl2
1 answer
Q: What are the charges in VSO4
1 answer
Q: Can baking soda help gas pains
1 answer
Q: How long for steel to degrade
1 answer
Q: How much sodium chloride in grams is needed to make 13 L of a solution that has a concentration of 4 grams of sodium chloride per liter of solution
1 answer
Q: Would you expect this compound to be soluble or insoluble in room-temperature water
1 answer
Q: Why sodium not occur free state in nature
1 answer
Q: What does Solid lithium iodide decomposes into iodine gas and solid lithium create
1 answer
Q: How much sulfur is needed for good health
2 answers
Q: How many unpaired electrons are in indium
6 answers
Q: What percent of amonia is in the air
1 answer
Q: What shows a chemical reaction in which hydrogen sulfide and oxygen are the reactants and sulfur and what are the products
2 answers
Q: What causes the variety of colors seen in gasoline splotches on a wet street
1 answer
Q: What is the ionic charge for the cobalt ion in CoN
1 answer
Q: What mineral Contains elements that combine with Chlorine fluorine bromine or iodine
1 answer
Q: How many grams of iodine would you weigh out to prepare 50 mL of a 0.200 N iodine solution
2 answers
Q: Can a woman get pregnant if her boyfriend did drugs
2 answers
Q: How many pounds of sugar do humans use every day
1 answer
Q: What is dry ice specific heat
2 answers
Q: What is the solute and solvent of moth balls in air
2 answers
Q: What is the function of sodium
2 answers
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