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Brilliant_brown [7]
3 years ago
15

Question:

Chemistry
1 answer:
Dahasolnce [82]3 years ago
8 0
If you can have more than 1 answer then the dependent variable is graphed on the Y-axis and and is usually used for comparison since they are usually the experiment results. If you can only have one answer then the dependent variable is graphed on the y-axis.
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At which type of tectonic plate boundary is a volcano least likely to occur?
Katena32 [7]

Answer:

A divergent boundary is when the plates move apart from each other. When the plates part, magma from under either plate rises and forms a volcano. A hotspot is the third place a volcano can form. This particular type is the least common.

Explanation:

7 0
2 years ago
Read 2 more answers
Dylan changed a formless pile of sand into a sand castle. What other natural materials can be changed into art
amm1812

Other natural material such as clay, wood, and stones can be changed into art.

Clay is pliable and is very easy to be molded into different shapes and sizes.

Wood can easily carved into different shapes, also different patterns can be easily etched on wood.

Stones of different variety and from different geological sources are painstakingly converted into statues or portraits of different life forms and scenery.

7 0
3 years ago
Calculate the number of moles equivalent to 12.7 gram of iodine molecule ​
Alexus [3.1K]

\LARGE{ \boxed{ \purple{ \rm{Answer}}}}

☃️ Chemical formulae ➝ \sf{I_2}

How to find?

For solving this question, We need to know how to find moles of solution or any substance if a certain weight is given.

\boxed{ \sf{No. \: of \: moles =  \frac{Given \: weight}{Molecular \: weight} }}

Solution:

❍ Molecular weight of \sf{I_2}

= 2 × 126.90

= 253.80

= 254 (approx.)

❍ Given weight: 12.7

Then, no. of moles,

⇛ No. of moles = 12.7 / 254

⇛ No. of moles = 0.05 moles

⚘ No. of moles of Iodine molecule in the given weight = <u>0.05</u><u> </u><u>moles </u>

<u>━━━━━━━━━━━━━━━━━━━━</u>

6 0
3 years ago
Read 2 more answers
1. How many mg of lithium phosphide are in 18.0 mL of a 1.25 M solution?
Temka [501]

Answer:

1160mg

Explanation:

Molarity = number of moles ÷ volume

According to the information in the question, molarity = 1.25 M, volume = 18.0 mL = 18/1000 = 0.018L

M = n/V

n = M × V

n = 1.25 × 0.018

n = 0.0225moles.

Using mole = mass/molar mass, to find the mass of lithium phosphide (Li3P)

Molar mass of Li3P = 6.9(3) + 31 = 51.7g/mol

mole = mass/molar mass

0.0225 = mass/51.7

mass = 1.16grams.

In milligrams (mg), mass of Li3P = 1.16 × 1000 = 1160mg

6 0
2 years ago
How many phosphorus atoms are there in 1.75 mol of calcium phosphate,<br> Ca3(PO4)2
elena-s [515]

Answer:

It has 2 phosphorus atoms in 1 mol

so for 1.75 mol =2×1.75

Explanation:

need thanks and make me brainiest if it helps you

6 0
3 years ago
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