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sammy [17]
3 years ago
6

What is the name of the compound BaCl2?

Chemistry
2 answers:
Bezzdna [24]3 years ago
7 0
Cl is chlorine I think
Kaylis [27]3 years ago
5 0

Answer:

barium Chloride (BaCl2)

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What is the volume of 0.410 moles of co2 at STP​
inna [77]

Answer: 9.18 Litres

Standard Temperature and Pressure (STP). Think of this as the perfect environment where the Temp. is 0°C or 273 Kelvin and Pressure is always 1 atm. This is only true in STP.

This question uses the Ideal Gas Equation:

PV=nRT

P= 1 atm

V = ??

T = 273 K (always convert to Kelvin unless told otherwise)

n = 0.410 mol

R = 0.0821 L.atm/mol.K

What R constant to use depends on the units of the other values. (look at the attachments) The units cancel out and only Litres is left. You simply multiply the values.

6 0
3 years ago
Read 2 more answers
In the number 48.93, which digit is estimated?
Fudgin [204]
The answer is 3.

Explanation:
It’s the last number and it can’t be 9 because then it would be 48.9 and no 3.
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3 years ago
A block of magnesium has a mass of 14.3 g and a volume of 8.46 cm3. What is the density of
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Density is mass over volume, so:
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7 0
2 years ago
A city water district wants to encourage local businesses and homeowners to landscape with drought-tolerant plants. After disapp
tino4ka555 [31]

Answer:

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3 0
2 years ago
You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution
LUCKY_DIMON [66]

<u>Answer:</u> The mass of solution having 768 mg of KCN is 426.66 grams.

<u>Explanation:</u>

We are given:

0.180 mass % of KCN solution.

0.180 %(m/m) KCN solution means that 0.180 grams of KCN is present in 100 gram of solution.

To calculate the mass of solution having 768 mg of KCN or 0.786 g of KCN   (Conversion factor:  1 g = 1000 mg)

Using unitary method:

If 0.180 grams of KCN is present in 100 g of solution.

So, 0.768 grams of KCN will be present in = \frac{100g}{0.180g}\times 0.768=426.66g of solution.

Hence, the mass of solution having 768 mg of KCN is 426.66 grams.

8 0
3 years ago
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