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navik [9.2K]
2 years ago
15

What is the name of the table that summarizes the key concepts lf the chapter

Chemistry
1 answer:
Harlamova29_29 [7]2 years ago
8 0

Answer:

Table price is 100 dolar

Explanation:

Because the table is to expensive to buy in low price

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How many moles of atoms are in 5.00 g of 13C
Illusion [34]
  <span>Mr = 13 g / mol 
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7 0
3 years ago
An isotope of iron has 28 neutrons. If the atomic mass of the isotope is 54, how many protons does it have?
Crazy boy [7]
26 because you need to do 54-28=26
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5 0
3 years ago
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Will mark brainliest
ikadub [295]
Answer:

a. Heterogeneous
b. Homogeneous
c. Homogeneous
d. Heterogeneous
e. Heterogeneous

Explanation:

A heterogeneous mixture is a mixture in which you can see multiple different ingredients in, for example vegetable soup, tea with ice and lemon slices, or fruit salad.

A homogeneous mixture is a mixture in which you can only see one thing, for example tea, seawater, or milk.
8 0
3 years ago
Consider a 1260-kg automobile clocked by law-enforcement radar at a speed of 85.5 km/h. If the position of the car is known to w
-BARSIC- [3]
The expected speed is v = 85.5 km/h
 v = 85.5 km/h = (85.5 km/h)*(0.2778 (m/s)/(km/h)) = 23.75 m/s

If there is an uncertainty of 2 meters in measuring the position, then within a 1-second time interval:
The lower measurement for the speed is v₁ = 21.75 m/s,
The upper measurement for the speed is v₂ = 25.75 m/s.
The range of variation is
Δv = v₂ - v₁ = 4 m/s

The uncertainty in measuring the speed is
Δv/v = 4/23.75 = 0.1684 = 16.84%

Answer: 16.8%
3 0
2 years ago
If element x has 72 protons, how many electrons does it have? electrons
saw5 [17]
Elements have neutral charges such as Na so if X has 72 protons + charges then it must also have 72 electrons with - charges

hope that helps
6 0
3 years ago
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