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Calculate the number of atoms per cubic meter in lead. The density of lead is given as 11.34 g/cm³ and the atomic mass of lead is 207.2 g/mol. (Avogadro's number = 6.022 × 10²³)

asked Nov 17, 2024

1 answer 122k views

What substances emit light when exposed to electromagnetic radiation? a. Insulators b. Conductors c. Fluorescent materials d. Gases

asked Nov 1, 2024

1 answer 81.3k views

Which property describes the ability of one substance to dissolve in another substance? a) Solubility b) Reactivity c) Melting point d) Flammability

asked Oct 21, 2024

1 answer 33.6k views

How have modern communications contributed to globalization?

asked Sep 25, 2024

2 answers 88.8k views

Is there a potential problem if governments continually finance goods and services with borrowed money? A. Yes, because it is unconstitutional for governments to borrow money. B. Yes, because eventually

asked Sep 12, 2024

1 answer 57.1k views

For the following equilibrium, what will occur if the vessel contracts: C(s) H2O(g)⇌CO(g) H2(g) Select the correct answer below: a. shift right b. shift left c. no change d. impossible to predict

asked Sep 9, 2024

1 answer 49.3k views

Was the rate of youth confinement higher or lower in 1975 than it was in 2010? By how much?

asked Jul 22, 2024

2 answers 112k views

Give a Big-O estimate of the product of the first n odd numbers: a) O(1) b) O(logn) c) O(n) d) O(n2)

answered Jul 17, 2024

1 answer 222k views

What are some main components of hydraulic sprayers and what is their importance?

asked Jul 16, 2024

1 answer 154k views

an erythematous, scaly rash with central clearing, elevated crusty borders in a patient with diabetes, lethargy, weight loss, diarrhea, abdominal cramps, and facial flushing suggests ___

answered Jun 11, 2024

1 answer 164k views

Suppose a tax of S20 per unit is imposed on a good. The supply curve is a typical upward-sloping straight line, and the demand curve is a typical downward-sloping straight line. The tax decreases consumer

asked Apr 26, 2024

1 answer 226k views

Find the area of a triangle. Round to the nearest tenth. Side lengths: 10 cm, 12 cm. Included angle: 55 degrees. a) 47.1 cm² b) 58.4 cm² c) 69.8 cm² d) 81.2 cm²

answered Feb 24, 2024

1 answer 153k views

In the context of peer tutoring, a student is more likely to feel embarrassed when he or she is tutored by a(n) _______. a) Older student b) Younger student c) Teacher d) Parent

answered Feb 23, 2024

1 answer 107k views

Which of the following descriptions do NOT apply to the thief? A-elderly B-short C-walked with a limp D-had a dog

asked Feb 23, 2024

1 answer 31.2k views

This individual is always responsible for determining the patient's weight-bearing status

answered Jan 29, 2024

1 answer 84.5k views

6 divided by blank =12

asked Jan 19, 2024

1 answer 174k views

Y = -3x + 7 Y = 8x - 6 30x-5y = 25 20x + 10y = 90 -3x + 3y = 18

asked Dec 19, 2023

2 answers 120k views

A bird flies 50km everyday to collect food for his offspring and 20km to drink water. To fly this distance takes him 1 hour and 40 minutes. What’s his average speed over the whole day?

answered Dec 14, 2023

1 answer 78.5k views

NBA players have heights that are normally distributed with μ =79 in. and σ =3.5 in.If one player is selected, find the probability that he is:a.) shorter than 75 inb.) between 73 and 83 inC.) What height

asked Aug 16, 2023

1 answer 212k views

What is the difference between a ratio and its related rate and unit rate?

answered Jul 17, 2023

2 answers 197k views

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