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xxMikexx [17]
3 years ago
7

Name the compound: PbF3

Chemistry
2 answers:
Liono4ka [1.6K]3 years ago
6 0
The answer is;
Lead(III) Fluoride
alina1380 [7]3 years ago
5 0

Answer:

Lead(III) Fluoride PbF3 Molecular Weight -- EndMemo.

Explanation:

paki brainly po tysm

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What is the era of the rectangle on the right?
Andreas93 [3]
12 cm is the answer. 
4 0
4 years ago
Read 2 more answers
Question 1 (2 points)
allochka39001 [22]

The solution to the polynomial expression since the power of the variable is in the second degree is 6.29 × 10² cm

<h3>What is the power of a variable?</h3>

The power of a variable refers to the exponent of the variable and the highest power of a variable is the degree to which the variable is being raised. From the information given, the highest power of the variable is a polynomial.

Given that:

\mathbf{= 2.150  \times 10^2 \ cm + 7.34 \times 10^2 \ cm - 3.2 \times 10^2 \ cm }

So, since the exponents are in the same power we are going to add them all together multiplied by their exponent.

i.e.

\mathbf{= (2.150 + 7.34 - 3.2)   \times 10^2\ cm }

\mathbf{= 6.29 \times 10^2\ cm }

Learn more about the power of a variable here:

brainly.com/question/2495761

6 0
3 years ago
1) A box has a mass of 8 kg and a volume of 2 m? What is its density? |
pentagon [3]

\huge\boxed{4\ \text{kg/m$^3$}}

We know that \rho=m\div V, where \rho is density, m is mass, and V is volume.

Substitute in the values we know and solve:

\begin{aligned}\rho&=8\div2\\&=\boxed{4}\end{aligned}

6 0
3 years ago
How much MgO is made when 12Kg of Mg is completely burned in air?
Flauer [41]

Answer:

Mass = 20,000 g  

Explanation:

Given data:

Mass of MgO formed = ?

Mass of Mg react = 12 Kg (12 Kg × 1000/1 Kg = 12000 g)

Solution:

Chemical equation:

2Mg + O₂     →   2MgO

Number of moles of Mg:

Number of moles = mass/molar mass

Number of moles = 12000 g/ 24 g/mol

Number of moles = 500 mol

Now we will compare the moles of Mg and MgO.

             Mg          :           MgO

             2             :           2

            500         :          500

Mass of MgO:

Mass = number of moles × molar mass

Mass = 500 mol × 40 g/mol

Mass = 20,000 g  

8 0
3 years ago
What property of a solution stays the same after its diluted
zepelin [54]
The amount of solute
5 0
3 years ago
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