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Nuetrik [128]
4 years ago
7

A . When atoms share electrons to fill their outermost energy levels, they form _________ bonds.

Chemistry
1 answer:
klasskru [66]4 years ago
7 0
A. Covelant bonds
B. Ionic bonds
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4 0
4 years ago
Question 10
Alex_Xolod [135]

Answer:

56.8 g

Explanation:

Your first conversion factor is the molar mass of H2O to convert from grams of water to moles. Your second conversion factor is the mole ratio of 2 mol C2H10 for every 10 mol H2O. Your last conversion factor is the molar mass of C2H10 to convert from moles back to grams.

150. g H2O • (1 mol H2O / 18.02 g H2O) • (2 mol C2H10 / 10 mol H2O) • (34.1 g C2H10 / 1 mol C2H10) = 56.8 g C2H10

3 0
3 years ago
An observation balloon was filled with 0.50 atmospheres of Helium, 54.0 mm Hg of Nitrogen, and 0.400 atmospheres of Hydrogen. Wh
noname [10]

Answer:

the pressure would be 0.9 atmospheres

Explanation:

you just gotta add the presures for each of the gases that are added

7 0
3 years ago
The invention of the ____ allows scientists to learn about cells.
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The Microscope allowed scientists to learn about cells.
6 0
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What is the volume of an object that has Mass=100g and Density= 745g/mL. Give your answer to 4 sig figs
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the answer is

0.1342 mL

hope that will help you ❤️

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