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frez [133]
3 years ago
10

What is the smallest particle of a covalent compound that has the properties of that compound? a molecule an ion an element an a

tom
Chemistry
2 answers:
nalin [4]3 years ago
4 0
An atom is the smallest particle that can have the properties of a compound.
bezimeni [28]3 years ago
3 0

Answer:

An atom is the smallest particle.

Explanation:

An atom is an smallest particle of the covalent compound that has the properties of compound.

Atom is the smallest particle that take part in chemical reaction and atoms are made up of particles called electrons, protons and neutrons, which is responsible for the charge of the atoms.

The smallest unit of compound is called molecule. Molecules are made up of atoms which is connected by bond by sharing of electrons and molecules have also the properties of compound.

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How much heat, in joules, must be added to a 75.0-g iron block with a specific heat of 0.449 J/g °C to increase its temperature
svp [43]

Answer:

50,849.25 Joules

Explanation:

The amount of heat, Q, required to raise the temperature of a body with mass, m, and specific heat capacity, c is given by:

Q = mcΔT, where ΔT represents the change in temperature.

In the case of the iron block:

m = 75 g

c = 0.449 J/g °C

ΔT = 1535 - 25 = 1510 °C

Therefore,

Q = 75 g x 0.449 J/g °C x 1510 °C

     = 50,849.25 Joules

<em>Hence, </em><em>50,849.25 Joules </em><em> of heat must be added to  a 75.0-g iron block with a specific heat of 0.449 J/g °C to increase its temperature from 25 °C to its melting temperature of 1535 °C</em>

5 0
2 years ago
Two liquids – one polar, one nonpolar – have the same molar mass. which one has the higher boiling point?
Anton [14]
Polar will always have the higher boiling point because they have strong van der waal forces

7 0
3 years ago
A double replacement reaction is a reaction in which one element replaces a similar element within a compound.
ladessa [460]
False. What you’re describing is a displacement reaction.
6 0
3 years ago
Read 2 more answers
Dustin is mixing concrete. A formula for concrete calls for 3/8 gal of water. Dustin wants to make 7/9 more concrete than the fo
slava [35]
We can use a ratio to solve this question. Lets refer to the amount formed by the formula as a serving
1 serving needs 3/8 gal
We want to create 7/9 servings extra, so
1 + 7/9 = 16/7
1 : 3/8
16/7 : x
1/(3/8) = (16/7) / x
8 / 3 = 16x / 7
x = 7/6
He needs to use 7/6 gallons of water.
5 0
3 years ago
HELP PLZ ASAP I NEED IT and no links plz ANd Plz HURRRRRy
mars1129 [50]

<u>Answer:</u> The balanced chemical equation is 2KClO_3(s)\rightarrow 2KCl(s)+3O_2(g)

<u>Explanation:</u>

A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.

For the given unbalanced chemical equation:

KClO_3(s)\rightarrow KCl(s)+O_2(g)

<u>On the reactant side:</u>

Atoms of K = 1

Atoms of Cl = 1

Atoms of O = 3

<u>On the product side:</u>

Atoms of K = 1

Atoms of Cl = 1

Atoms of O = 2

To balance the equation, we must balance the atoms by adding 2 infront of both KClO_3(s) and KCl(s). Also, a coefficient of 3 must be written infront of O_2(g)

For the balanced chemical equation:

2KClO_3(s)\rightarrow 2KCl(s)+3O_2(g)

5 0
2 years ago
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