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Juli2301 [7.4K]
3 years ago
5

Which of the following equations are correctly balanced

Chemistry
1 answer:
IRINA_888 [86]3 years ago
7 0
Ion know yo but good luck
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The temperature of a sample of a substance changes from 10.°C to 20.°C. How many Kelvin does the temperature change?
Vanyuwa [196]

Answer:

10 kelvin

Explanation:

10 c. =283.15 k.

20 c. = 293.15 k.

293.15 - 283.15 = 10

7 0
3 years ago
Calculate the percentage by mass of titanium in liemenite
inysia [295]
FeO·TiO₂

w(Ti)=M(Ti)/M(FeO·TiO₂)

w(Ti)=47.88g/mol/151.73g/mol=0.3156 (31.56%)
8 0
4 years ago
Which would be expected to have a higher boiling point t-butyl alcohol or n-butyl alcohol?
patriot [66]
T-butyl alcohol boiling point 82.4*C, 356 K, 180*F
N-butyl alcohol boiling point 117.2*C 

4 0
3 years ago
A titanium cube contains 2.86×10^23 atoms. What is the edge length of the cube? The density of titanium is 4.50 g/cm^3. (The vol
Arada [10]

Answer: 1.72cm

Explanation:

First let us calculate the mass of titanium that contain 2.86×10^23 atoms..

1mole of a substance contains 6.02x10^23 atoms as we have come to understand from Avogadro's hypothesis. Therefore, 1mole of titanium also contains 6.02x10^23 atoms.

1mole of titanium = 48g

1mole (i.e 48g) of titanium contains 6.02x10^23 atoms,

Therefore Xg of titanium will contain 2.86×10^23 atoms i.e

Xg of titanium = (48x2.86×10^23)/6.02x10^23 = 22.8g

Next, we must find the volume of titanium

Density of titanium = 4.5g/cm^3

Mass of titanium = 22.8g

Volume =?

Density = Mass /volume

Volume = Mass /Density

Volume = 22.8/4.5

Volume = 5.07cm^3

Now we can find the edge length:

Volume = 5.07cm^3

Length =?

V = L^3

L = cube root (V)

L = cube root (5.07)

L = 1.72cm

6 0
3 years ago
Y-2=(x+3) I don't know how to set it up to solve
Alinara [238K]
Y EQUALS X - 1 I MIGHT BE WRONG

5 0
4 years ago
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