Chapter 2.4.1. The __ energy lost by the inward movement of nickel-iron within a differentiating molten planetary body would be converted first into _ energy and then into ____ energy. a. momentum, thermal, gravitational b. gravitational, kinetic, thermal c. thermal, momentum, kinetic d. kinetic, thermal, gravitational

Answers

Answer 1

Answer:

Answer:b. gravitational, kinetic, thermal

Explanation:

The above explains the mechanism of the core forming process on earth/planet.

It is believed that this process might has contributed significantly to a planet's early stages heating. The time when these core-forming event happened is thought to have been mainly completed very early when Earth was young . The type of this event rather than it being seen as a single catastrophic event, it is likely to have been as a result of contractions on the earth severally.

The addition of partially differentiated material from another giant impact the rate of this spasm , and it increases each time the planet's mass is to increased.

This is a little on the history of planetary evolution.

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Which metal has no reaction with dilute hydrochloric acid or hydrochloric acid and forms a black oxide

Answers

Answer:

lead

Explanation:

lead have no reaction with Hcl unlike aluminum,zinc, magnesium... and it forms a black oxide

A chemist dilutes a 1.0 mL sample of 2.0 M KNO3 by adding water to it. If the concentration of the solution that is obtained is 0.0080 M, what is its volume?Use: Mi Vi = Mf Vf

A.) 125 mL
B.) 250 mL
C.) 500 mL
D.) 2,000 mL

Answers

Mi = 2.0 M

Vi = 1.0 mL

Mf = 0.0080 M

Vf = ?

Mi * Vi = Mf* Vf

2.0 * 1.0 = 0.0080 * Vf

2 = 0.0080* Vf

Vf = 2 / 0.0080

Vf = 250 mL

answer b

hope this helps!.

Answer: Option (B) is the correct answer.

Explanation:

The given data is as follows.

$M_(1)$ = 2.0 M, $V_(1)$ = 1.0 ml

$M_(2)$ = 0.008 M, $V_(2)$ = ?

Therefore, calculate the volume of given solution as follows.

$M_(1) * V_(1)$ = $M_(2) * V_(2)$

Now, putting the given values into the above formula as follows.

$M_(1) * V_(1)$ = $M_(2) * V_(2)$

$2.0 M * 1.0 ml$ = $0.008 M * V_(2)$

$V_(1)$ = 250 ml

Therefore, volume of the solution obtained is 250 ml.

In relation to the earth's surface, explain where rock spend most of there time.

Answers

Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.

Answer:

Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.

Explanation:

What is the mass of 2.50 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Answers

Two things are given to us: The "molar mass" of NaOH and the number of molecules of NaOH.

The molar mass is different from "mass"; 1 mole of NaOH is equal to 40.0g/mol.
When the question asks, what is the mass? It is referring to how many grams there are.

First, we are going to convert the molecules to atoms using Avogadro's number (=6.02 x 10^23)

(2.50 x 10^22 molecules) x (6.02 x 10^23 atoms) = 0.042 mol

Next, we are going to convert from moles to grams.

0.042 mol of NaOH x 40.0 g of NaOH/1 mole = 1.68g of NaOH.

There are 1.68 grams in 2.50 x 10^22 molecules of NaOH.

Hello!

What is the mass of 2.50 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Data:

Molar Mass of NaOH = 40 g/mol

Solving: According to the Law Avogradro, we have in 1 mole of a substance, 6.02x10²³ atoms/mol or molecules

1 mol -------------------- 6.02*10²³ molecules

y mol -------------------- 2.50*10²² molecules

$(1)/(y) = (6.02*10^(23))/(0.250*10^(23))$

Product of extremes equals product of means

$6.02*10^(23)*y = 0.250*10^(23)*1$

$6.02*10^(23)\:y = 0.250*10^(23)$

$y = (0.250*10^(23))/(6.02*10^(23))$

$\boxed{y \approx 0.042\:mol}$

Solving: Find the mass value now

40 g ----------------- 1 mol of NaOH

x g ------------- 0.042 mol of NaOH

$x = 40*0.042$

$\boxed{\boxed{x = 1.68\:g}}\end{array}}\qquad\quad\checkmark$

Answer:

The mass is 1.68 grams

_______________________

I Hope this helps, greetings ... Dexteright02! =)

GUYS HELP ME PLEASE. MY TEACHER IS GONNA KILL ME IF I DONT SOLVE THIS RIGHT. Write the election configuration (H, Al, S,CI, Ni)

Answers

Explanation:

1s 2s 2p

1s 2s 2p1s2 2s1

1s 2s 2p1s2 2s1 2 1 1

1s 2s 2p1s2 2s1 2 1 11s2 2s2

Define not matter and give examples

Answers

Answer:

Everything that has mass and takes up space is matter. Every day, you encounter phenomena that either don't have mass or don't take up space. They are non-matter. Basically, any type of energy or any abstract concept is an example of something that is not matter.

An apple.

A person.

A table.

Air.

Water.

A computer.

Paper.

Iron.

hope this helped you

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