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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: How do you use bleaching soap
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Q: The average relative mass of an ozone molecule is 48.0 you. An ozone molecule contains only oxygen atoms. What does this molecular weight indicate about the formula of the ozone molecule
2 answers
Q: Is folic acid a mixture compound or element
1 answer
Q: A solution is made by dissolving 0.551 mol of nonelectrolyte solute in 899 g of benzene. Calculate the freezing point Tf and boiling point Tb of the solution. Constants may be found here.
2 answers
Q: What is the chemical reaction between an alkali or base and an acid
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Q: Into what body fluids do glucose fatty acids amino acids pass
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Q: Something that is used to hold items in science that has 3 letters
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Q: Is titanium is less dense than iron a chemical property
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Q: How much salt in a teaspoon of baking powder
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Q: Differentiate between emulsoid and suspensoid in terms of reversibility
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Q: Differentiate between emulsoid and suspensoid in terms of foam formation
2 answers
Q: Sterile materials which are wrapped in paper or cloth can be stored for
1 answer
Q: Iodine sublimes what does this mean
1 answer
Q: A molecule of alkene has the chemical formula C3H4. How many carbon-carbon double bonds are present in the molecule
2 answers
Q: A precipitate is the name for the that forms when liquids are mixed
4 answers
Q: What elements are found in lead nitrate
1 answer
Q: What liquids form spherical drops because of this property
2 answers
Q: How did the discovery of electrons make it necessary to change one of Dalton's postulates
2 answers
Q: How many units in 1 ton of liquid nitrogen fertilizer
1 answer
Q: The compound produced when chlorine is added to water is
2 answers
Q: Two atoms are isotopes of the same element. Which of the following should be different for these two atoms
7 answers
Q: What is the formula for this hydrate tin (ll) chloride dihydrate
1 answer
Q: What does the presence of a polar covalent bond show about the electronegatives of its two atoms
6 answers
Q: What is a molecule that reacts in respiration to transfer energy stored in food
1 answer
Q: What is the charge of cholrine
2 answers
Q: Type the capital letter that represents this equation after it has been correctly balanced. Press Enter.K and Euml and AtildeSO and Euml and Aring plus AlCl and Euml and Auml and aelig KCl plus Al and
1 answer
Q: Choose the best definition for this term. aqueous
1 answer
Q: What is the name of the ionic compound PbO2
2 answers
Q: How much was 5 pounds of sugar
1 answer
Q: Vapor pressure of ethylene glycol at 25 degree celsius
6 answers
Q: Choose the formula that is not an example of a binary acid.
1 answer
Q: In the reaction 2Li(s) plus 2H2O(l) 2LiOH(aq) plus H2(g) what compound is in the liquid state
2 answers
Q: N ion X- has the electron configuration Kr5s2 4d10 5p5. What is element X
2 answers
Q: Ionic bonds are formed from the sharing of valence electrons.
2 answers
Q: When does raising the temperature of gas increase its pressure
6 answers
Q: Is stainless steel an element or compound and is it heterogeneous or homogeneous
2 answers
Q: What is the Material composition of pencil
1 answer
Q: Is fruit cake a solution suspenstion or mechanical mixture
2 answers
Q: Is a frying pan made of a metal such as aluminum
3 answers
Q: As the temperature of a gas decreases what change occurs in the amount of kinetic energy
2 answers
Q: What is the length of a chalk
12 answers
Q: Do lipids contain oxygen and nitrogen or phosphorus
1 answer
Q: What is the stock system name of SnO2
3 answers
Q: What is the percent composition of k2S
2 answers
Q: Do we use lithium in our everyday life
2 answers
Q: How much nitrogen atoms are in c8h10n4o2
1 answer
Q: The particles in smoke that give it its dark color are called
1 answer
Q: Explain the law of conservation of matter using your own example
2 answers
Q: Matter in a solid or liquid form is
2 answers
Q: Which substance has a chemical symbol that is derived from a Latin name oxygen calcium hydrogen potassium
1 answer
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