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MrRissso [65]
3 years ago
6

Two atoms that are isotopes of one another must have the same number of what?

Chemistry
2 answers:
erastovalidia [21]3 years ago
6 0
They must have the same number of protons
Alex3 years ago
4 0

Answer:

Protons!

Explanation:

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3 years ago
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How many moles of nitrogen, N, are in 61.0 g of nitrous oxide, N2O?
Oksana_A [137]

Answer:

2.77 mol N

Explanation:

M(N2O) = 2*14 + 16 = 44 g/mol

61.0 g * 1 mol/44g = (61/44) mol N2O

                       N2O ---- 2N

                    1 mol         2 mol

            (61/44) mol        x mol

x = (61/44)*2/1 = 2.77 mol N

4 0
3 years ago
A recipe for chocolate cake calls for 236.6 mL of buttermilk.
Mice21 [21]

Answer:236.6

Explanation:

5 0
3 years ago
Identify 3 physical changes that could occur with a sheet of paper
VladimirAG [237]

Answer:

  • 1. Dimensions: The sheet can be cut into several smaller pieces.

  • 2. Shape: the sheet can be formed into a paper ball or any other shape (using origami for example).

  • 3. Color: You can use crayons to paint the sheet and change its color.

Explanation:

<em>Physical changes</em> do not change the chemical properties. They do not transform the compounds that form the substances. They do not break and or form chemical bonds.

When you change the form, the state (solid, liquid or gas), the color, you are just changing physical properties.

Only chemical changes change the compounds that form the substance. For instance, if you burn the <em>sheet of paper</em>, then you are causing a chemical change because the organic matter in the paper will react with oxygen forming CO₂ and water, but by cutting, folding, smashing, or coloring with crayons, the compounds in the<em> sheet of paper</em> do not change.

6 0
3 years ago
What is the name of the compound CH4?*
solmaris [256]

Answer:

Methane

Explanation:

Methane is a synthetic compound with the substance recipe CH4. It is a gathering 14 hydride and the most straightforward alkane, and is the principle constituent of petroleum gas

6 0
3 years ago
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