Chemistry Homework Help

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Mixtures

Q. Classify each of the following substances as an element, a compound, or a mixture. Drag the appropriate items to their respective bins.

Solved • Feb 8, 2020

Mixtures

Q. Classify the following mixtures as homogeneous or heterogeneous. Drag the appropriate items to their respective bins.

Solved • Feb 8, 2020

Mixtures

Q. A copper foil is made from copper, absolutely free of impurities. Which term or terms could be used to describe this sample of copper? Check all that apply. a) mixture b) heterogeneous mixture c) homogenous mixture d) solution e) pure chemical substance f) compound g) element

Solved • Feb 8, 2020

Mixtures

Q. A sample of wine consists of water, sugar, some amount of ethyl alcohol, and grape juice. These ingredients blend together uniformly to give clear and tasty wine. Which term or terms could be used to describe this sample of wine? Check all that apply. a) mixture b) heterogeneous mixture c) homogenous mixture d) solution e) pure chemical substance f) compound g) element

Solved • Feb 8, 2020

Mixtures

Q. A smoke sample contains dust particles and several different gases, which have different gases, which have different combinations of molecules. The dust particles are suspended in the gases. Which term or terms could be used to describe this sample of smoke? Check all that apply. a) mixture b) heterogeneous mixture c) homogenous mixture d) solution e) pure chemical substance f) compound g) element

Solved • Feb 8, 2020

Mixtures

Q. A cylinder is filled with pure nitrogen dioxide. Which term or terms could be used to describe the contents of this cylinder? Check all that apply. a) mixture b) heterogeneous mixture c) homogenous mixture d) solution e) pure chemical substance f) compound g) element

Solved • Feb 8, 2020

Mixtures

Q. Consider the following list of some of the possible combinations of physical states to form a solution. Which combination(s) can actually form a solution? A. solid-solid B. liquid-liquid C. gas-gas a) B only b) A and B only c) B and C only d) A, B, and C

Solved • Jan 31, 2020