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gavmur [86]
2 years ago
11

If the students were told that one of the materials was titanium and that titanium is still a solid when heated to 1,000°C, whic

h sample was titanium?
Chemistry
1 answer:
Paladinen [302]2 years ago
5 0

The sample having solid substance is considered as titanium.

<h3>Which sample was titanium?</h3>

That sample is considered as Titanium which is still present as a solid substance because all the other samples turns into liquid state due to high temperature.

While on the other hand, the sample which contains titanium has a solid particles and still solid on high temperature so we can conclude that the sample having solid substance is considered as titanium.

Learn more about titanium here: brainly.com/question/11496905

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The concentration of CI ion in a sample of H,0 is 15.0 ppm. What mass of CI ion is present in 240.0 mL of H,0, which has a densi
Doss [256]

Answer:

Mass of solute = 0.0036 g

Explanation:

Given data:

Concentration of Cl⁻ = 15.0 ppm

Volume of water = 240 mL

Mass of Cl⁻ present = ?

Solution:

1 mL = 1 g

240 mL = 240 g

Formula:

ppm = mass of solute / mass of sample ×1,000,000

by putting values,

15.0 ppm = (mass of solute / 240 g) ×1,000,000

Mass of solute = 15.0 ppm ×  240 g / 1,000,000

Mass of solute = 0.0036 g

8 0
3 years ago
How many moles of calcium carbonate-CaCO3 = 4.15 g​
marin [14]

Answer:

Number of moles = 0.042 mol

Explanation:

Given data:

Number of moles = ?

Mass of calcium carbonate = ?

Solution:

Formula:

Number of moles = mass/ molar mass

now we will calculate the molar mass of calcium carbonate.

atomic mass of Ca = 40 amu

atomic mass of C = 12 amu

atomic mass of O = 16 amu

CaCO₃ = 40 + 12+ 3×16

CaCO₃ = 40 + 12+48

CaCO₃ = 100 g/mol

Now we will calculate the number of moles.

Number of moles = 4.15 g / 100 g/mol

Number of moles = 0.042 mol

3 0
3 years ago
Which atom attracts electrons most strongly when bonded? oxygen (O) magnesium (Mg)
Vadim26 [7]
Oxygen because it is on the left of the periodic table so it has a strong pull.
8 0
3 years ago
Read 2 more answers
Why dose sand absorbe heat faster than the water at the beach? and how do you know?
TiliK225 [7]
The specific heat capacity of sand is much less than water because of which sands require less energy to cool down and similarly less energy to be heated... because of this it feels like sands absrob heat faster than water
6 0
3 years ago
For the reaction x2 + y + z → xy + xz, it is found that doubling the concentration of x2 doubles the reaction rate, tripling the
andre [41]
R=[x2][y] rate law of the reaction
check:
if we double x2,  r(new) =[2*x2][y]=2*[x2]*[y]=2*r
if we triple y,  r(new) =[x2][3y]=3*[x2]*[y]=3*r  
z- no effect, so z is not included

5 0
3 years ago
Read 2 more answers
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