Solve for x to the proper number of significant figures: (0.50) (9900/x) = 0.30 8. Answer: 9. Solve for x to the proper number of significant figures: (0.500) (x/4.50) = 0.100

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Q: At 25 °C, 10.0181 g of an unknown liquid was found to have a volume of 6.75 mL. 1. Calculate the…

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Q: Question 5 Convert 4.35 uft (microfeet) to nin (nanoinches). Give your answer in scientific notation…

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Q: How many significant figures will be in the answer for: 15.86 +48.9623 +137.8 -0.055 = O 3 06 02 04

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Q: Measurement in Chemistry: Perform the following computation, expressing your answers to the proper…

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Q: Solve for xx, where MM is molar and ss is seconds. x=(6.0×10^3M^−2s^−1)(0.39M)^3 Enter the answer.…

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Q: Trying to figure out how to convert nanograms to milligrams. There was an example given to me but I…

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Q: LL of solution         Express your answer using three significant figures.   11.65 mgmg KIKI in…

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Q: (OH] = 3.1x10-10 M Express your answer using two significant figures. ? [H3O*] = M %3D

A: Given  [ OH- ]      =  3.1 × 10-10 M  [ H3O+ ]    = ?

Q: (285.0 x 10°)- (1.300 x 10')] × 2.8988 Express your answer to the appropriate number of significant…

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Q: A cooking recipe lists adding 3.0 qt of water as a step. How many mL of water is this?

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Q: Which of the following correctly shows how to convert a density of 20.1 g cm-3 to units of kg m-³?

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.