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d1i1m1o1n [39]
2 years ago
6

Scientists used a powerful telescope to discover the caloris crater on mercury

Chemistry
1 answer:
Drupady [299]2 years ago
6 0

Answer:

True

Explanation:

Mercury is one of the five classical planets visible with the N4KED eye and is named after the swift-footed Roman messenger god. It is not known exactly when the planet was first discovered - although it was first observed through telescopes in the seventeenth century by astronomers Galileo Galilei and Thomas Harriot.

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Calculate the mass in grams of 1.13 x 102 molecules of propane. The chemical formula for propane is C3H8.
g100num [7]
Moles = (6.74*10^23)/(6.02*10^23) =1.119 moles

1.119*44.09=49.36g
3 0
3 years ago
According to Le Chatelier’s principle, what always happens to the equilibrium of a reaction when the temperature is reduced?
Tasya [4]
It always shift to the direction where balance out the reaction
here 
<span>It shifts in the exothermic direction.</span>
5 0
3 years ago
Read 2 more answers
13.0 g NaHSO4 is dissolved in water to make a 2.00 L solution what is the molarité
Sati [7]

Answer:

0.054 M

Explanation:

1 mol NaHSO4 -> 120 g

                   x    ->13 g

x= 0.108 mol NaHSO4

M= mol solute/ L solution

M= 0.108 mol NaHSO4/ 2.00L

M= 0.054 M

8 0
3 years ago
What procedure could a student use to examine an intensive property of a rectangular block of wood
photoshop1234 [79]

An intensive property does not change when you take away some of the sample. The procedures that a student could use to examine the intensive property of a rectangular block of wood are the hardness, color, density and molecular weight.

8 0
3 years ago
What is one use of the fluoride ion?
bearhunter [10]

Answer:

Fluoride is commonly used in dentistry to strengthen enamel, which is the outer layer of your teeth. Fluoride helps to prevent cavities. It’s also added in small amounts to public water supplies in the United States and in many other countries. This process is called water fluoridation.

Explanation:

3 0
2 years ago
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