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Ugo [173]
3 years ago
10

What is the difference between a compound and a mixture? Group of answer choices One is a solid and the other is a liquid. They

both consist of atoms from different elements. The way in which their atoms are bonded together. The components of a mixture are not chemically bonded together.
Chemistry
1 answer:
Lilit [14]3 years ago
4 0

Answer: Option (d) is the correct answer.

Explanation:

A substance which contains two or more different number of substances that are physically mixed together is known as a mixture.

For example, a mixture of air which contains oxygen, nitrogen and other gases.

Components of a mixture will always combine physically with each other.

A compound is defined as the substance in which different elements are chemically combined together in a fixed ratio by mass.

For example, NaCl is a compound and elements are present in 1:1 ratio.

A compound can be divided into its constituent or simpler substances.

Thus, we can conclude that difference between a compound and a mixture is that components of a mixture are not chemically bonded together.

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A solution has 500 mL and contains 0,5 moles of AlCl3. What is its molarity?
deff fn [24]

Answer:

The molarity is: 1 M

Explanation:

We define molarity as an amount of moles in 1000ml of solution (1 liter)

500ml---------0,5 moles AlCl3

1000ml------x= (1000ml  x 0,5 moles AlCl3)/500ml = 1 moles ACl3--> 1 M

4 0
3 years ago
Please Help Me!
avanturin [10]

Answer:

B) Cu(s) is metal that reacts spontaneously with NiCl2(aq).

4 0
3 years ago
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Để pha 2 lít dung dịch H2SO4 0,1N từ axit đặc 98% (d 1.84g/ml). Cần lấy bao nhiêu ml acid đặc
Ivanshal [37]

Answer:

Cm = Cn/n = 0.1/2 = 0.05 (M)

n = 0.05*2= 0.1 mol

m H2SO4= 0.1*98= 9.8 g

m dd H2SO4= 9.8/ 0.98 =10 g

V= 10/ 1.84 = 5.435 ml

Explanation:

5 0
2 years ago
Rolls of foil are 304 mmmm wide and 0.014 mmmm thick. (The density of foil is 2.7 g/cm3g/cm3 .) What maximum length of foil can
ratelena [41]

Answer:

92.2 m

Explanation:

Given that:=

The breadth = 304 mm

Height = 0.014 mm

Let Length = x mm

Volume = Length\times breadth\times height

Thus,

Volume = 304\times 0.014\times x\ mm^3=4.256x\ mm^3

Also, 1 mm³ = 0.001 cm³

So, volume = 0.004256 cm³

Given that density = 2.7 g/cm³

Mass = 1.06 kg = 1060 g

So,

Volume=\frac{Mass}{Density}=\frac{1060}{2.7}\ cm^3=392.59\ cm^3

So,

0.004256*x = 392.59

x = 92243.89 mm

Length of foil = 92243.89 mm = 92.2 m

3 0
3 years ago
According to the collision theory, what happens in a collision without sufficient energy or correct orientation
ohaa [14]
Hi!

In collision theory, for a chemical reaction to occur - there must be <em>sufficient </em>energy to break down chemical bonds.
 
We call this the activation energy, as it's the energy needed to <em>activate </em>a chemical reaction! 

Hopefully, this helps! =)
3 0
3 years ago
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