Which of the following correctly describes a compound?
A. The atoms are chemically bonded together, and they retain their individual physical and chemical properties.
B. The atoms are not chemically bonded, and there is no set ratio for how the atoms can combine together.
C. The atoms can only combine in fixed ratios, and they can only be separated by a chemical change.
D. The atoms do not retain their individual chemical properties, and they can be separated by physical means.
Answers: 3
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How many moles of gas are present if p=11 atm, v=12l, t=185k?
Answers: 1
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To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
Answers: 1
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Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
Answers: 3
Which of the following correctly describes a compound?
A. The atoms are chemically bonded together,...
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