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3 years ago

Do atoms have full outer energy level combine with other atoms

1 answer:

8 0

All of the Noble Gases, which are on the right side of the periodic table, have a full outer energy level. The elements that are Noble Gases are the following: <span>Neon Argon Krypton Xenon Radon Ununoctium.

Hope this helps.</span>

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Sort the sentences based on whether they describe the properties of a heterogeneous or a homogenous mixture.

blagie [28]

A heterogeneous mixture may be mistaken for a pure substance. It can be separated using distillation. Concrete is an example of this heterogeneous kind of mixture.

<h3>What is a solute?</h3>

A solute is a material dissolved in another substance known as a solvent in a homogeneous mixture made of two or more components.

A solute's concentration in a solution is a measure of how much of that solute is dissolved in the solvent in relation to the amount of solvent present, such as salt.

Solutes are the best cleaning agents and additives. Dissolved in many types of gasoline are cleaning agents and anti-knock additives.

A homogenous mixture consists of the same type of component. While the heterogeneous mixture consists of a different component.

It's possible to confuse a heterogeneous combination for a pure material. Distillation is a method that can separate it. An illustration of this heterogeneous type of combination is concrete.

Homogenous mixtures are visible.

A heterogeneous mixture may be mistaken for a pure substance. It can be separated using distillation. Concrete is an example of this heterogeneous kind of mixture.

To learn more about the solute refer to the link; brainly.com/question/7932885

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4 0

2 years ago

Four identical metallic objects carry the following charges 1.82 6.65 4.80 and 9.30 C The objects are brought simultaneously int

GuDViN [60]

Answer:

a) 5.64 C

b) 3.5*10¹⁹ protons

Explanation:

Since the four metallic objects are identical, and total charge must be conserved, this means that after brought simultaneously into contact so that each touches the others, once separated, total charge must be the same than before being brought in contact.
But due they are identical, after charges were able to transfer freely between them, the four objects must have the same final charge, i.e. the fourth part of the total charge, as follows:

$Q_{n} = \frac{Q_{tot}}{4} = \frac{22.57C}{4} = 5.64 C (1)$

This charge will be divided between n protons, since the charge is positive.
Since each proton carries a charge equal to the elementary charge e, which value is 1.6*10⁻¹⁹ C, we can find the number of protons in excess, doing the following calculation:
$n_{p} =\frac{Q_{n}}{e} = \frac{5.64C}{1.6e-19C} = 3.5 e19 C (2)$

7 0

3 years ago

A motor lifts a 500kg elevator a height of 100 m at a constant speed in 50 secs. How much power did the motor supply

MA_775_DIABLO [31]

Answer:

9,800 watts

Explanation:

The first step is to calculate the force

F= mg

= 500 × 9.8

= 4,900 N

The next step is to calculate the work done

= 4,900 × 100

= 490,000 joules

Therefore the power can be calculated as follows

Power= work done /time

= 490,000/50

= 9,800 watts

3 0

3 years ago

What units are used to measure force

Nastasia [14]

N, or Neutons are a common way to measure force

5 0

4 years ago

Read 2 more answers

6. A lumberjack is standing on a log floating on a lake. She starts from rest, then runs along the log to the end, when she jump

scoray [572]

Answer:

a) -3.267 m/s

b) 2.227 m/s

Explanation:

As per the conservation of momentum

m1v1 + m2v2=0

m1= mass of log

m2 = mass of lumber jack

v1 = velocity of log

v2 = velocity of lumber jack

a) Velocity of first log

$-\frac{70*7}{150} = -3.267$ m/s

b) m1v1 + m2v2 = m3v3

Velocity of log

= $\frac{70*7}{150+70} \\2.227$

4 0

3 years ago