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maw [93]
3 years ago
11

What is a mixture in science class

Physics
2 answers:
Veseljchak [2.6K]3 years ago
6 0
A mixture is 2 or more different elements not bonded together
Example : N2 or O2
Artemon [7]3 years ago
6 0

Hey there! A mixture is material composed of two or many elements that are mixed together but are not chemically combined.


Hope this helped you.


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Position yourself with a clear line-of-sight so you can search the traffic environment about __________ seconds ahead.
maxonik [38]

Answer:

30 seconds ahead.

Explanation:

Its about 90% of the decisions which are made by someone while driving based on what they see. The vision must be good to make the decision accurately and timely before reacting to the environment.

Line of sight is define as the view which you can see without any obstruction. The best condition of proper line of sight is that someone is needed to see in all direction front, behind, left and right.

To establish the clean line of sight the person should search the traffic environment about 30 seconds ahead.

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What is the moment of inertia of a disc of mass 5kg and radius 10cm?
vodka [1.7K]

Answer:

500

Explanation:

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Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why?
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4 years ago
If 400 pa of pressure is applied to an area of 55 m2, which is the resulting force?345 n7.27 n22,000 n
VashaNatasha [74]
The answer should hopefully be: 7.27N
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a compound is 24.7% calcium, 1.2% hydrogen, 14.8% carbon, and 59.3% oxygen. write the empirical formula and name the compound.
Tema [17]
For simplicity, assume that the total mass of the compound is 100 g.

Therefore, by mass
Ca = 24.7 g, H = 1.2 g, C = 14.8 g, and O = 59.3 g

Converting these to moles

Mol = mass*1/atomic mass
Ca = 24.7*1/40.078 =0.6163 mol Ca
H = 1.2*1/1.01 = 1.1881 mol H
C = 14.8*1/12.01 = 1.2323 mol C
O = 59.3/16 = 3.7062 mol O

Next, divide all the mols by the smallest value obtained.

Ca: 0.6163/0.6163 = 1 mol Ca
H: 1.1881/0.6163 = 2 mol H
C: 1.2323/0.6163 = 2mol C
O: 3.7062/0.6163 = 6 mol O

Therefore, empirical formula of the compound is

CaH2C2O6

This compound is referred to as Calcium Bicarbonate
8 0
3 years ago
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