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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: When carbonate minerals come into contact with hydrolic acid they
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Q: What is N10 HCL and how will you prepare it
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Q: How many grams h2so3 are found in 0.001874 moles
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Q: The double-replacement reaction of sulfuric acid with aluminum hydroxide produces aluminum sulfate salt and water. Balance this skeleton equation then determine the mole ratio of H2SO4H2O. H2SO4 plus
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Q: Condensation occurs when a what is changed into a what
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Q: Evaporation is the process where a liquid changes from it's
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Q: People favor their in-groups and when they treat other groups unfairly it is called
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Q: After one half-life what percent of the original uranium remains
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Q: The Group 7A elements form ions with a charge of
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Q: Percent composition of cocaine
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Q: Something that negatively affects the finances of people color is called
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Q: Power plants release sulfur dioxide and nitrogen oxides into the atmosphere where they combine with water vapor to form .
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Q: What is used to determine the number of each atom in an ionic bond
1 answer
Q: How does a lone pair contribute to the molecular shape
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Q: If two atoms are bonded to a central atom with no lone pairs how will they be placed
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Q: Ascorbic Acid in urine
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Q: Vesicant blister agents include sarin lewisite phosgen oxime or nitrogen mustard
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Q: If 6 moles of a compound produce 84 J of energy what is the delta H reaction in jmol
2 answers
Q: When a gas is dissolved into a liquid what happens when the pressure increases
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Q: An aqueous solution of sodium hydroxide contained in a bottle is labelled 2M. Determine the mass of sodium hydroxide used in preparing
3 answers
Q: Why group 17 elements are strong non metals while grour 1 elements are strong metals
2 answers
Q: An atom with 10 electrons must have how many shells
1 answer
Q: A binary ionic compound is made of two components. Name one of them.
2 answers
Q: Ask us anythingIn the covalent compound C3H8 the Greek prefix used to represent the cation is .
1 answer
Q: The active ingredient in the conversion of organic material into alcohol is
2 answers
Q: Is C8H10NH2 an inorganic carbon compound
2 answers
Q: Name two confirmatory tests for the presence of intact explosives located in debris
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Q: Pairs of electrons are shared in a bond. The actual number of pairs is called bond order
2 answers
Q: How do you differentiate metals from non metals
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Q: Equation reaction between zinc and dilute sulphuric acid
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Q: How do you differentiate elements and compounds
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Q: What are the ionisation enthalpies of potassium and sodium
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Q: What are 10 example of compounds
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Q: The net movement of water across a membrane from the solution of lower concentration to one of higher concentration is called
5 answers
Q: This element has an atomic number lower than that of aluminum and one less valence election than the group 16 elements
1 answer
Q: Can be decomposed by electricity into the elements hydrogen and oxygen a chemical
2 answers
Q: What are the differences between ionic equation and molecular equation
1 answer
Q: Core electrons in Ra
1 answer
Q: In every chemical reaction the total mass of the reactants always equals the total mass of the products.this fact is known as the
3 answers
Q: What contains dissolved salts and minerals
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Q: Chemicals on the left side of a chemical equation are called
1 answer
Q: Hybridization of SiCl4
4 answers
Q: What is the solvent and the solute in coffee
2 answers
Q: A liquid has a definite but it takes the shape of the container holding it
1 answer
Q: What name is given to all vertical columns in the table
3 answers
Q: If points f and g are contained in a plane then fg is entirely contained in that
4 answers
Q: What is the name of a change which means the products can't be returned back to the reactants
1 answer
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