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Over [174]
3 years ago
9

Which of the following is the FIRST step in solving the SI conversion problems?

Chemistry
2 answers:
AVprozaik [17]3 years ago
7 0

Answer:

A

Explanation:

Nina [5.8K]3 years ago
6 0

Answer:

It is A!

Explanation:

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The unit used to measure the diameter of an atom is an?
ohaa [14]

Answer:

Atomic Radii

Have a great day!

6 0
2 years ago
Read 2 more answers
How many moles of water are in a beaker with 50 mL?
tatiyna

Answer:

Number of moles = 2.8 mol

Explanation:

Given data:

Number of moles of water = ?

Volume of water = 50 mL

Density of water = 1.00 g/cm³

Solution:

1 cm³ =  1 mL

Density = mass/ volume

1.00 g/mL = mass/ 50 mL

Mass = 1.00 g/mL× 50 mL

Mass = 50 g

Number of moles of water:

Number of moles = mass/molar mass

Number of moles = 50 g / 18 g/mol

Number of moles = 2.8 mol

5 0
3 years ago
Which of the following shows three elements in order of decreasing electronegativity?
damaskus [11]

Answer:

The correct answer is option D which is the decreasing order of conductivity is Mn, O, Ge.

Explanation:

You can easily answer this if you know the periodic trends. For the property of electrical conductivity, it decreases across a period and decreases also down a group. Thus, the most conductive element must be Mn, while the least conductive one is Ge. So, the answer is: -Mn, O, Ge

7 0
3 years ago
In which medium does sound travel the slowest?
ZanzabumX [31]
Sound actually travels slower in air.This is because sound is kinetic energy and has to pass from molecule to molecule.In gas the molecules are farther apart taking more time for it to pass,in water the molecules are closer so it takes less time for the sound to get from one molecule to another and with cast iron (since it's very dense) the molecules are very close allowing sound to travel quickly with ease.
5 0
3 years ago
Read 2 more answers
What would be the theoretical yield of 2SO2 + O2 + 2H2O --> 2H2SO4
almond37 [142]

Answer:

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Explanation:

7 0
3 years ago
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