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3 years ago

Match the items to use the analogy of time to the vocabulary of chemistry.

Chemistry

2 answers:

antoniya [11.8K]3 years ago

6 0

Answer:

1 year- 1 mole

time in general- amount of matter

1 second- 1 atom/ particle

Svet_ta [14]3 years ago

6 0

Answer:

1 Year => 1 Mole

Time in General => Amount of Matter

1 Second => 1 Atom/Particle

Explanation:

These pairs make the most sense.

Hope it helps!!!

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If liquid a is more volatile than liquid b, which is also true? hints if liquid a is more volatile than liquid b, which is also

7nadin3 [17]

<span>liquid A has a lower boiling point than liquid B
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3 years ago

Read 2 more answers

What is the mass of 2.30 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

aleksandrvk [35]

Answer:

1.52 g NaOH

Explanation:

The molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance.

Molar mass of NaOH is 40.0 g/mol

40.0 g/mol contains 6.022 × 10²³ molecules

∴ 2.30 × 10²² molecules will contain (2.30 × 10²²) * (40.0)/6.022× 10²³

= 1.52 g NaOH

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3 years ago

Decide which element probably forms a compound with oxygen that has a chemical formula most and least similar to the chemical fo

mafiozo [28]

Answer:

Most similar ----- Lithium

Least similar ---- Nitrogen

Explanation:

Cesium is an element on the periodic with the atomic number 133. It lies in group 1 (i.e., the alkali metals) and period 6 on the periodic table. The oxidation state of group 1 metals is +1. Cesium forms an oxide with oxygen as $Cs_2O$ .

The most similar compound to this chemical compound is Lithium because Lithium happens to be in the same group one metal with Cesium and forms the compound $Li_2O$ with the oxygen

The least similar compound nitrogen due to fact that it is an oxide that is covalent in nature and lies between-group 3 -17 to form an $NO_2$ with oxygen.

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3 years ago

What is the mass in grams of 1 liter of nitrogen gas?

AlladinOne [14]

Assuming the volume of the gas is measured at standard temperature and pressure, Then one mole of the Gas would occupy 22.4 liters.

Therefore, 1 liter is 1/224 moles

one mole of nitrogen 14 is 14

Therefore 1 liter of the nitrogen weighs 1/224×14

0.0625 grams

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3 years ago

Looking at page 14 of the earth science tables, how does the temperature change as a balloon rises through the Troposphere Strat

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Answer:

Decreases

Explanation:

The temperature decreases when latitude increases.

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3 years ago