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Kisachek [45]
3 years ago
8

Which sentence most accurately describes electrically charged objects?

Chemistry
2 answers:
ivolga24 [154]3 years ago
7 0

Answer:

They are attracted to one other without coming into contact.

Explanation:

In conclusion, an electrically neutral object is an object that has a balance of protons and electrons. In contrast, a charged object has an imbalance of protons and electrons. The type of charge (positive or negative) is determined by whether the protons or the electrons are in excess

Flura [38]3 years ago
4 0

Answer:

A.They are attracted to one other without coming into contact.

Explanation:

Hope that helped! :)

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if one mole of calcium carbonate (the limiting reactant) is used, how much calcium chloride should the reaction produce? look at
salantis [7]

Answer:

The answer to your question is <u>111 g of CaCl₂</u>

Explanation:

Reaction

                 2HCl  +  CaCO₃   ⇒    CaCl₂  +  CO₂  +  H₂O

Process

1.- Calculate the molecular mass of Calcium carbonate and calcium chloride

CaCO₃ = (1 x 40) + (1 x 12) + ((16 x 3) = 100 g

CaCl₂ = (1 x 40) + (35.5 x 2) = 111 g

2.- Calculate the amount of calcium chloride produced using proportions.

The proportion CaCO₃ to CaCl₂ is   1 : 1.

                      100 g of CaCO₃  ------------- 111 g of CaCl₂

Then 111g of CaCl₂ will be produced.

5 0
4 years ago
Questions below :) These ones are fairly easy :P
goldfiish [28.3K]

Answer:

See below.

Explanation:

1. The water here is the solvent, and the 'sugar and fruit specific chemicals' are considered the solute. That is as the solute is the component dissolved in the solvent.

2. The collision theory states that the greater the collisions, the greater the rate of reaction. When powdered sugar is placed in the water (solvent) it occupies more surface area, resulting in more collisions that speed up the rate of reaction, compared to a cube of sugar - that occupies less surface area. Therefore, the powdered sugar dissolved faster.

3. Molarity describes the number of moles of a substance per unit of volume. The standard unit of volume is liter, giving you the standard units (mol/l).  Molality describes the number of moles per unit of mass, typically kilograms (mol/kg).

The concentration of a solution can be given in moles of solute dissolved per kilogram of solvent for molality, and moles of solute dissolved in liters of solvent for molarity. Molality is generally used for concentration.

5 0
4 years ago
What is the volume of a substance with a mass of 64.9 g/ and a density of 2.1 g/ml?
maks197457 [2]
It’s 34 I had this question
4 0
3 years ago
(1) In an experiment for determining the density of water, the following results
Angelina_Jolie [31]

Given parameters:

mass of an empty beaker = 65gm

mass of the beaker and water = 165gm

volume of water = 100cm³

Unknown:

Density of water  = ?

Solution:

Density is the mass per unit volume of a substance;

           Density  = \frac{mass}{volume}

To find the mass of the water ;

   Mass of water  = Mass of beaker and water - mass of an empty beaker

                            = 165g - 65g

                           = 100g

So input parameters and solve;

         Density  =  \frac{100g}{100cm^{3} }  

         Density of the water in the beaker  = 1g/cm³

4 0
4 years ago
Put atom in order from most to lest​
Andrej [43]

Answer:

francium, caesium, helium

7 0
3 years ago
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