At higher elevations, the boiling point of water decreases, due to the decrease in atmospheric pressure. As a result, what conclusion could be drawn from the boiling egg?a.At higher elevations, it would take less time to hard boil an egg, because there is less atmospheric pressure.
b.
At higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point, so the egg is boiling in water at a lower temperature.
c.
At higher elevations, it would take less time to hard boil an egg, because there is a lower boiling point. Therefore it would take less time to achieve the boiling point.
d.
At higher elevations, it would take longer to hard boil an egg, because it would take longer to achieve the boiling point.

Answers

Answer 1

Answer: I believe the correct response is A. At higher elevations it would take less time to hard boil an egg, because there is less atmospheric pressure.

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What is first and second element of the periodic table?
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An unstable nucleus loses the most mass if the nucleus emits(1) an alpha particle (3) a positron
(2) a beta particle (4) a gamma ray

Answers

The correct answer is option 1. An unstable nucleus loses the most mass if the nucleus emits an alpha particle. This type of electromagnetic radiation has the largest mass among the radioactive particles. When this particle is emitted from a nucleus, it loses two protons and two neutrons therefore large amount of mass is lost.

How many grams of Ca(OH)2 are needed to produce 600 ml of 1.22 M Ca(OH)2 solution?

Answers

Answer:

54.2 g of Ca(OH)₂

Explanation:

Let's determine the moles of solute, we should need

Molarity . volume (L) = moles

Let's convert 600 mL to L

600 mL/ 1000 = 0.6L

1.22 mol/L . 0.6L = 0.732 moles

Finally we must convert the moles to mass ( moles . molar mass)

0.732 mol . 74.08 g/mol = 54.2 g

Answer: 54.2 g Ca(OH)2

Explanation: Molarity is moles of solute / L solution

First convert mL to L

600 mL x 1L / 1000 mL = 0.6 L

Find moles of Ca(OH)2

n= M x L

= 1.22 M x 0.6 L

= 0.732 moles Ca(OH)2

Convert moles to mass using its molar mass of Ca( OH)2 = 74 g

0.732 moles Ca(OH)2 X 74 g Ca(OH)2 / 1 mole Ca(OH)2

= 54.2 g Ca(OH)2

Every substance is either an element or a ____. Fill in the blank. Molecular Compounds is the chapter I'm on.

Answers

Every substance is either an element or a compound.
There is ionic compounds, molecular compounds, but they are all considered compounds.
Hope I helped.

compound is the right answer.

An organic molecule is likely to contain all of these elements except: Answer C H O Ne N

Answers

Organic molecules typically do not contain the noble gases, so they would contain all but Ne

What kind of glass is the following Si, O, Na, B, Al no plastic, no visible change, will shatters to high impact? 1. Pyrex Glass 2. Laminated soda-lime glass, 3. Ordinary Soda-Lime Glass, 4. Heat-tempered soda-lime glass?

Answers

The kind of glass that is Si, O, Na, B, Al no plastic, no visible change, that will shatter to high impact is 1. Pyrex glass.

Answer:

Explanation:

Each period of the periodic table ends with:

Answers

Each period of the periodic table ends with a noblegas.

What are noble gases?

Noble gas constitutes the seven chemical elements that make up up the eighteenth of the periodictable. The elements comprising the noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

These noble gases are odorless, colorless, tasteless, and nonflammable gases. Traditionally, they have been labeled as Group 0 in the periodic table was the name given to them for decades after they were discovered. They were named so be they it was believed that they are not able to bond to other atoms.

This meant that there could not combine with the atoms of other elements to form chemicalcompounds. The electronic structures of these structures and the discovery that some of them are able to combine with other atoms to form compounds led them to have a more appropriate name for Group 18.

Therefore each period of the periodic table ends with a noblegas.