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MAXImum [283]
2 years ago
12

A student viewed the moon through binoculars one week after a new moon.Which image shows the phases of the moon that the student

s observed?

Chemistry
2 answers:
Igoryamba2 years ago
6 0

Answer:

Hi! I think it's maybe H...

Karolina [17]2 years ago
6 0

Answer:The answer is D

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Question 4 of 10
Luba_88 [7]

Answer:

C. P = nRT

Explanation:

PV = nRT, where n is a number of moles and R is the universal gas constant, R = 8.31 J/mol ⋅ K.

Hope this helps :)

7 0
2 years ago
Do chemical equations with no reaction still have to be balanced
dangina [55]

Answer:

The same number of atoms of each element must appear on both sides of a chemical equation. However, simply writing down the chemical formulas of reactants and products does not always result in equal numbers of atoms. You have to balance the equation to make the number of atoms equal on each side of an equation.

Explanation:

5 0
3 years ago
What element is chemically combined with hydrogen
Fudgin [204]

Uh I think water is??

5 0
3 years ago
Which statement describes a physical change? *
xxMikexx [17]
B. The surface of a silver cup turns black when it is exposed to air.
4 0
3 years ago
Galena, a mineral of lead, is a compound of the metal with sulfur. Analysis shows that a 2.34-g sample of galena contains 2.03 g
dolphi86 [110]

The mass of sulfur in the sample is 0.31g

To calculate mass of sulfur in sample: given that amount galena is 2.34g and mass of lead is 2.03 g as galena contain both lead and sulfur the mass of sulfur = mass of galena- mass of lead , that is, 2.34- 2.03=0.31g.The molecular mass is a algebraic sum of atomic mass of each element in the compound thus the mass of the compound can be obtained by adding atomic of each element. Lead(II) sulphide occurs naturally as the mineral galena, often known as lead glance (PbS). It is a significant source of silver and the most significant lead ore.

To learn more about mass:

brainly.com/question/19694949

#SPJ4

7 0
2 years ago
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