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Eduardwww [97]
3 years ago
8

How did earths layers develop?(Science)

Chemistry
1 answer:
Delvig [45]3 years ago
6 0
They all just formed on top of each other like sedimentary rocks
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HELP ASAP!! DUE NOW!! WILL MARK AS BRAINLIEST IF ANSWERED WITHIN 5-10 MINUTES
AlladinOne [14]
1. NaCl
2. CaO
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4. MgS
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All numbers are subscripts.
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Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. The balanced equation for this is CaH2 + 2H2O ---&
Marta_Voda [28]
I believe the answer is 47.25g
let me know if you need the workings i'll try and put it up
3 0
3 years ago
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Soda is a mixture. The ingredients list for a can of soda is given below.
Rasek [7]

Answer: Compounds

Explanation:

6 0
3 years ago
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I have science and i have a question that says : an element is a (valuable, pure , rare) substance that is not chemically combin
mote1985 [20]

Answer:

It’s true ( pure).

Explanation:

An element is defined as a pure substance that is not chemically combined with any other elements. An element comprises of mainly the sane type of atoms.

While a compound is a substance that consists of two or more elements which are chemically combined together. This is the main difference between an element and a compound.

3 0
3 years ago
The dipole moment of the water molecule (H2O) is 6.17x10^-30 C.m. Consider a water molecule located at the origin whose dipole m
valkas [14]

Answer:

There are other details missing in the question. i.e Assume that x is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis E = p/2πε0y3 can be used, where p is the dipole moment, and y is the distance between ions. A) What is magnitude______N B) Direction? +x-direction or -x-direction C) Is this force attractive or repulsive?

A) Magnitude of electric force = 6.576 x 10 raised to power -13 N

B) Since the force direction is always dependent on the electric field and electric field = F/q, since the chlorine has a negative charge as such the direction of the electric force will be in the X - direction

C) Since the charges are of different nature, as such the force between them will be ATTRACTIVE.

Explanation:

The detailed steps is shown in the attachment

8 0
3 years ago
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