The femtogram is a unit of measurement of the amount of matter equivalent to: a) 10 millionth part of the gram (10 to the -7) b)Billionth part of a gram (10 to the -15) c)100 mg d)1kg e)thousandth part of a gram

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Q: What of these are correct conversions for kg to mg? Select all that apply. 1 mg = 10³ kg 1 mg = 1000…

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Q: Express his mass in micrograms

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Q: 3.34×1022 HeHe atoms Express your answer using three significant figures.

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Q: percentage of matter

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Q: Classify each of the following conversion factors according to the presence of exact numbers. Drag…

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A: volume : volume is the amount of space occupied by an objectin this question , calculate the volume…

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Q: (8.01-7.50)/3.002

A: On solving this type of questions we use BODMAS rule. B - Bracket O - Of D - Division  M-…

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Q: Please enter the correct significant figures!

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A: Given masses:

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A: Definition : Pure Substance : A pure substance is a single kind of matter that cannot be separated…

Q: A Cu-containing compound is synthesized from 55.68 grams of copper. If 74.92 grams of the compound…

A: 74.92 grams of the compound are produced from 55.68 grams of copper. Then percent of copper in the…

Q: Soccer is played with a round ball having a mass between 14 and 16 oz. What are these specifactions…

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Q: Show your work. A quarter weighs 5.75 grams (g). Find the mass of a quarter in kilograms (kg).

A: Mass of a quarter is 0.00575 kg.

Q: mass

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Q: what number is represented by barn

A: Barn unit is used in nuclear chemistry.

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A: The protein composition of blood and egg is similar.So blood can be substituted for eggs in baking…

Q: 1. If there are 25 red colored glass beads in a bag that contains 150 glass beads, what is the…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: How many.grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Number of moles is defined as given mass divided by molecular mass.

Q: How many signifi cant fi gures does each number contain? a. 16.00c. 0.001 60e. 1.06g. 1.060 × 10 10…

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Q: Nickel metal has a density of 8.90g.how much 15cm3 of nickel metal weigh in gram

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Q: QUESTION 11 What is the mass in grams of 87.81 ml. of blood plauma with a density of 1.01 g/ml? Here…

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Q: :0-N=0 o=N-o > 0=N-0:

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Q: 13.5 % sucrose by mass Express your answer using two significant figures. να ΑΣφ 6.0

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Q: This horse eats 7,000 g of grass every day. Use the table to figure out how much this is in other SI…

A: Given,  Dose of horse= 7000 g  Change into different units

Q: A sample is found to contain 7.20*10-^3 g of salt express this quantity in nanograms

A: Mass of sample salt = 7.20 × 10^-3 g Since we know that, 1 gram = 1.0 × 10^9 nanograms

Q: The mass of 1 molecule of HBr in grams is 1.34x10-22. Select one: O True O False

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Q: Convert 56.0L of 02 (g) to particles 56.0L I 6.02 x0 particks particks 22.4L 1.49x104 particles %3D…

A: Given: To find the missing values:  Convert 56.0 L of O2 (g) to particles.

Q: E Learning Task 2: An alloy is prepared by mixing 60g copper and 70g zinc. Find the percentage by…

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Q: What is the weight in grams of 8.68x 10^17 CFamolecules? Hint: must use Avogadro's number Put your…

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Q: 20 A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 x 10° kg. Use this…

A: Given,  Mass of raindrop = 50 mg  Mass pacific ocean = 7.08 x 1020 kg  a). What is the mass of 1…

Q: 35 mL of a liquid has a density of 9.0 g/mL. What is the mass of the liquid reporting your answer to…

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Q: Calculate the following 44.42 g / 3.456 mL

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Q: Part C A jar of crunchy peanut butter contains 1.25 kg of peanut butter. If you use 8.1 % of the…

A: Part C  8.1% of 1.25 kg is :  = 0.081 × 1.25  = 0.10125 kg

Q: Key Results: 50 mL Beaker 10 mL Grad Cylinder 50 mL Buret Average volume (unit) 3.886 g

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Q: A cream contains 4.0% (by mass) lidocaine to relieve back pain. If a patient uses 17 grams of cream,…

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Q: Mg(s)+N2(g)→Mg3N2(s)Mg(s)+N2(g)→Mg3N2(s) Express your answers as integers separated by commas.

A: Note: Assuming that the question is to balance the given reaction.

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.