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2 years ago

A celestial body is any natural (i.

Chemistry

2 answers:

Nastasia [14]2 years ago

7 0

THE ANSWER IS I.ASTEROIDS II.COMETS III. METEOROIDS IV. PLANETS PLZ MARK BRAINLISEST HOPE I HELPED THX

Nitella [24]2 years ago

7 0

Answer: I.asteroids II.comets III.meteoroids IV.planets

All of the above

Explanation:

Solar system is family of Sun. The planets an other celestial bodies, orbit around the Sun in elliptical orbit with Sun at one of the foci.

Solar system has 8 planets, asteroids that lie between orbits of Mars and Jupiter in asteroid belt, comets lie in Kuiper belt and Oort clouds and meteoroids that that is the debris of planets and comets.

All these objects orbit the Sun.

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A standard 1.00 kg mass is to be cut from a bar of steel having an equilateral triangular cross section with sides equal to 2.50

Elden [556K]

Answer:

The section of the bar is 2.92 inches.

Explanation:

Mass of the steel cut ,m = 1.00 kg = 1000 g

Volume of the steel bar = V = Area × height

Height of the of the section of bar = h

Area of Equilateral triangular = $\frac{\sqrt{3}}{4}a^2$

a = 2.50 inches

Cross sectional area of the steel mass = A

$A=\frac{\sqrt{3}}{4}(2.50 inches)^2=2.71 inches^2$

$V = 2.71 inches^2\times h$

Density of the steel = d = $7.70 g/cm^3$

$1cm^3 = 0.0610237 inches^3$

$d=\frac{m}{v}$

$\frac{7.70 g}{0.0610237 inches^3}=\frac{ 1000 g}{2.71 inches^2\times h}$

$h=\frac{ 1000 g\times 0.0610237 inches^3}{2.71 inches^2\times 7.70 g}$

h = 2.92 inches

The section of the bar is 2.92 inches.

3 0

2 years ago

Classify each process as an endothermic or exothermic process. drag the appropriate items to their respective bins. helpreset ex

myrzilka [38]

Answers:

1) Breaking Solvent-Solvent Attractions is an Endothermic Process.

2) Breaking Solute-Solute Attractions is an Endothermic Process.

3) Forming Solute-Solvent Attractions is an Exothermic Process.

Explanation:
When a solute is dissolved in solvent it either releases heat or absorbs heat depending upon the the interactions broken and interactions formed. At first, the solvent solvent interactions are broken , this process requires heat which is provided either from external source or is provided by the forming of solute solvent bond forming process which is exothermic.

When the solvent molecules get apart the solute particles enter to form interactions with elimination of heat. So, if the heat required to break solvent solvent interactions is greater than the heat provided by solute solvent interactions formation then the solute will not dissolve at room temperature and vice versa.

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3 years ago

Read 2 more answers

Which planets mass is nearly double that of mercury?

Nana76 [90]

Answer:

earth I think like that because earth is the second planet

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2 years ago

How do you convert ounces to grams

jok3333 [9.3K]

However many ounces you have, just multiply that by 28.34952. The answer to that is the conversion. so 5 ounces is 141.7476. Proof below.

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2 years ago

Read 2 more answers

What is the mass of 8.0 x 10^26 UF6 molecules?

gulaghasi [49]

First, find the number of moles of UF6
Avagadro's number = 6.023 x 10^23

Number of moles = 8.0 x 10^26 / Avagadro's number = 8.0 x 10^26 / 6.023 x 10^23 = 1.328 x 10³ moles

Molecular weight of UF6 = Molecular weight of U (238.02891) + Molecular weight of F6 (6 x 18.9984032) = 238.02891 + 113.9904192 = 352.0193292 g/mol

Therefore mass of 8.0 x 10^26 UF6 molecules = 352.0193292 g/mol x 1.328 x 10³ moles = 467.481669 x 10³ grams

3 0

2 years ago