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jolli1 [7]
3 years ago
5

X(HCO3)2 Express your answer as a whole number.

Chemistry
1 answer:
emmainna [20.7K]3 years ago
5 0
Wym? Idk how to use this app will you help me? Is it possible orrrrrrr
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A sample of an unknown compound is vaporized at 130°C . The gas produced has a volume of 1280mL at a pressure of 1.00 atm and it
loris [4]
This is an ideal gas law question. It uses the ideal gas law equation, PV =nRT.
P = pressure, V = volume, n = moles, R is the constant, and T is temperature in kelvin. The temperature needs to be converted Kevin first. To convert from Celsius to Kevin, you add 273, meaning that the temp in Kevin is 403K. Then plug all the info into the equation to solve for moles.
(1.00atm)(1.280L)=n(0.0821)(403K)
n = 0.0387moles

To find molar mass, divide mass by moles.

4.03g / 0.0387moles = 104.17g/mol

104g/mol rounded to three significant digits
8 0
3 years ago
A substance that will change shape to fit its container but has a definite volume is in a _____ phase of matter
larisa86 [58]
It’s a liquid because it can form any shape to fit container but the amount of liquid always stayed the same unless dropped some.
3 0
4 years ago
How many moles of AgCl will be produced from 60.0 g of AgNO3, assuming NaCl is available in excess?
Ivenika [448]

Answer: For this homework question, you’ll need to look up the molar mass of AgNO₃. Use this to calculate the number of moles in the sample.

Then note that silver is (quite usually) univalent, so there will be as many moles of AgCl as there were of AgNO₃.

Ask your instructor or tutor for more in-depth training, if need be. Good luck!

Explanation:

4 0
3 years ago
A nuclear power plant produces huge amount of electricity. However, it dumps radioactive wastes into the sea. This has led to an
TEA [102]

Answer: Provide the nuclear power plant with a plan to properly dispose of and recycle the wastes.

Explanation:

The nuclear power plant is producing huge amounts of electricity which is beneficial to the economy as it pushes growth. Shutting it down or relocating it is therefore not the right solution.

The problem is the radioactive waste being produced so a solution that is specific to this problem should suffice. That solution would be the provision of the nuclear plant with plans to properly dispose of the waste.

Should this happen, the nuclear plant can still stay in the same area and keep contributing to economic growth without adversely affecting people's heath.

4 0
3 years ago
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A process in which plants take in light from the Sun to make their own food is called _____.
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