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Arte-miy333 [17]
3 years ago
5

My science teacher trying to be cool

Chemistry
1 answer:
Helga [31]3 years ago
3 0

Answer:

omg lol XD

Explanation:

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A metal is found that has a mass of 27g and will displace 6mL of water. Calculate its density and identify the metal.
melisa1 [442]

The density of metal = 4.5 g/ml, and the metal = Titanium

<h3>Further explanation  </h3>

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density  

m = mass  

v = volume  

mass of metal=27 g

volume = 6 ml

The density :

\tt \rho=\dfrac{27}{6}\\\\\rho=4.5~g/ml

The metal with a density of 4.5 g/ml is Titanium

3 0
3 years ago
If you begin with 72 grams of Nickel, how many moles of Ni would you have?​
Marianna [84]

Answer: 1.2 Moles of Nickel

Explanation:

So you have to transfer grams to moles.

You do this by dividing your beginning mass by the atomic mass of the element (found on the periodic table).

1 mole is equal to the atomic mass of the element. The atomic mass of Nickel is 58.6934 rounded to the proper significant figures will be 59.

72 Grams Nickel / 59 grams = 1.2 moles of Nickel

6 0
3 years ago
Unstable traffic flow occurs when drivers accelerate and brake too often. Unstable traffic flow wastes energy. The table below g
maksim [4K]
The answer is B because of the calculator
3 0
3 years ago
What happens if you mix any halogen with any alkali?
kow [346]

Answer:

if you mix any halogen with any alkali then ionic salt will be formed and also this will cause an exothermic reaction in which heat is getting released

8 0
3 years ago
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Solid iron pellets are heated, melted and drawn into wires. This is an example of a chemical reaction
zlopas [31]

Answer:

false

Explanation:

It is a physical reaction because it is being heated.

3 0
3 years ago
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