Chemistry

Chemistry, 10.11.2019 17:31, chenepiernas

Salt water is which type of substance?
a. solution
b. molecule
c. compound
d. pure substance

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Chemistry, 03.07.2019 00:30, caveman171

Which statement correctly describes why a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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Chemistry, 08.07.2019 00:40, hollybell1213

Which statement correctly describes whether a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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Chemistry, 22.08.2019 02:30, lenaaemersonn2

Which statement correctly describes whether a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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Social Studies, 16.10.2019 04:40, keidyhernandezm

How many chlorine (cl) atoms would be in 4 molecules of salt (4 nacl)? a = 1 b = 2 c = 3 d = 4 an atom that has the same amount of atoms of each element on both sides of the reaction obeys what law? a = law of conservation of energy b = law of conservation of mass c = law of conservation of temperature d = law of conservation of atoms if you have 5 grams of product after a chemical reaction, how many grams of reactants did you have at the start of the reaction? a = 2 b = 3 c = 4 d = 5 in the reaction, al2o3 + 6 hcl → h2o + 2alcl3, what coefficient should be placed in front of h2o to balance the reaction? a = 1 b = 2 c = 3 d = 6 which one of the following is an element? a = salt water b = sugar c = oxygen d = chocolate chip cookies which of the following is an example of a homogeneous mixture? a = sand at the beach b = granite c = fruit salad d = apple juice what makes a solution a homogeneous mixture? a = there is only one component. b = it is uniform in composition. c = the mixture has multiple colors. d = the mixture contains solids and liquids. in a solution of salt and water, which component is the solute a = salt b = water c = beaker d = oxygen which of these can be classified as a pure substance? a = solution b = compound c = heterogeneous mixture d = homogeneous mixture the following characteristics describe which of these terms? the substance is not uniform in appearance and each part of the mixture contains a combination of different ingredients in different ratios. a = heterogeneous mixtures b = homogeneous mixtures c = pure substance d = solution which one of the following is not a compound? a = salt b = sugar c = water d = chocolate chip cookies which one of the following is not a homogeneous mixture? a = vegetable soup b = carbonated beverages c = saline solution d = brewed tea what is the difference between a compound and a mixture? a = a mixture is a pure substance, but a compound is not. b = a compound is a pure substance, but a mixture is not. c = mixtures are chemically combined, but compounds are not. d = you cannot separate mixtures, but you can separate compounds.

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Salt water is which type of substance?
a. solution
b. molecule
c. compound
...

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