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2 years ago

Molecules inside a liquid _____.

Chemistry

2 answers:

Tpy6a [65]2 years ago

8 0

Answer:

Answer. A liquid is made up of tiny vibrating particles of matter, such as atoms, held together by intermolecular bonds. Water is, by far, the most common liquid on Earth. Like a gas, a liquid is able to flow and take the shape of a container

sammy [17]2 years ago

3 0

Answer:

Move because that are boncing off the sides of the containers and into each other

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When the elements in group 1 are considered in order from top to bottom, each successive element at standard pressure has

Talja [164]

Answer is: d. a lower melting point and boiling point.

Alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

Bond between these elements is metallic bond.

Both the melting and boiling points decrease down the group 1, because the decrease in the strength of each metallic bond.

From top to bottom, atomic radius increase and the distance between the nucleus and delocalized electrons increases, so metallic bond is weaker (attractions fall).

Metallic bond is formed between electrons and positively charged metal ions.

4 0

2 years ago

Read 2 more answers

A compound contains 25.93% N and the rest is oxygen. What is the empirical formula for the compound?

Mnenie [13.5K]

Answer: NO2

Explanation:

N O

Divide each by its 25.93 74.07

mass number 14 16

2 4

Divide both by the 2 2

smaller (i.e. 2) 1 2

Therefore, the empirical formula = NO2

5 0

3 years ago

How many calories of heat are necessary to raise the temperature of 378.2 g of water from 32.2 oC to the boiling point?

ivolga24 [154]

Answer: multiple apply them together then divide them

Explanation:

8 0

2 years ago

The spontaneous reaction that occurs when the cell in the picture operates is as follows: 2Ag+ + Cd(s) ???? 2 Ag(s) + Cd2+ (A) V

Snowcat [4.5K]

Answer:

14. B 15. D 16. C 17. B

Explanation:

The spontaneous reaction that occurs when the cell operates is shown below:

$2Ag^{+} + Cd_{(s)}$ ⇒ $2Ag_{(s)} + Cd^{2+}$

We need to select the correct option from the list below for the following questions.

(A) Voltage increases. (B) Voltage decreases but remains > zero. (C) Voltage becomes zero and remains at zero. (D) No change in voltage occurs. (E) Direction of voltage change cannot be predicted without additional information.

14. A 50-milliliter sample of a 2-molar $Cd(NO_{3})_{2}$ solution is added to the left beaker.

If a 50-milliliter sample of a 2-molar $Cd(NO_{3})_{2}$ solution is added to the left beaker, the voltage decreases but its value remains greater than zero. The correct option is B

15. The silver electrode is made larger.

If the silver electrode is made larger, no change in the value of the voltage since we don't have the idea of the initial value. The correct option is D.

16. The salt bridge is replaced by a platinum wire.

If the salt bridge is replaced by a platinum wire, there will be no passage of electrons because electrons can't pass through a platinum wire. Therefore, the voltage will be zero and remains at zero. The correct option is C.

17. Current is allowed to flow for 5 minutes.

If current is allowed to flow for 5 minutes, the voltage decreases but its value remains greater than zero. The correct option is B.

7 0

3 years ago

Solid Silicon can be reacted with Nitrogen gas at a high temperature to form silicon nitride (Si3N4).

slamgirl [31]

Solid Silicon can be reacted with Nitrogen gas at a high temperature to form silicon nitride (Si3N4).
1.20 moles of Silicon are added to 1.00 moles of Nitrogen gas.
(5 Points) Balance the equation and indicate the phases.

Si (___) + N2 (___) → Si3N4 (___)

(5 Points) What is the limiting reactant? You must show your work.

4 0

2 years ago