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marishachu [46]
3 years ago
12

What is the formula for weight ?

Chemistry
2 answers:
Oxana [17]3 years ago
6 0

Answer:

W=F=mg or W=mg

Explanation:

Anna007 [38]3 years ago
3 0
W= F= MASS X GRAVITY
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Which type of radiological technology is useful for viewing tumors?
Westkost [7]

Answer:

CT Scan

Explanation:

Radiology is a branch of medicine that uses imaging technology to diagnose and treat disease. So, an example of a radiology technology that is useful for viewing tumors is Computed Tomography (CT)Scan. Others include Magnetic resonance imaging (MRI), X-rays etc.

4 0
2 years ago
Problem Page What kind of intermolecular forces act between a formaldehyde molecule and a hydrogen sulfide molecule? Note: If th
malfutka [58]

Answer:

Hydrogen Bonding

Explanation:

Formaldehyde, H2CO, has an oxygen atom which is quite electronegative that means it would attract any atom with a slightly positive charge. Hydrogen in the Hydrogen sulfide (H2S) is attracted by oxygen and hence hydrogen bonding can occur.

8 0
3 years ago
Explain how you determine molar mass of Ca(No3)2
igor_vitrenko [27]

Answer:

164

1st step we will write desperate molar mass of each element

8 0
3 years ago
Convert 0.859 mg to cg.<br> Help me plz :(
andrey2020 [161]

Answer:

0.0859

Explanation:

7 0
3 years ago
Suppose you are provided with a 30.86 g sample of potassium chlorate to perform this experiment. What is the mass of oxygen you
oee [108]

Answer:

The mass of oxygen is 12.10 g.

Explanation:

The decomposition reaction of potassium chlorate is the following:

2KClO₃(s) → 2KCl(s) + 3O₂(g)

We need to find the number of moles of KClO₃:

\eta_{KClO_{3}} = \frac{m}{M}

Where:

m: is the mass = 30.86 g

M: is the molar mass = 122.55 g/mol

\eta_{KClO_{3}} = \frac{30.86 g}{122.55 g/mol} = 0.252 moles                                      

Now, we can find the number of moles of O₂ knowing that the ratio between KClO₃ and O₂ is 2:3

\eta_{O_{2}} = \frac{3}{2}*0.252 moles = 0.378 moles

Finally, the mass of O₂ is:

m = 0.378 moles*32 g/mol = 12.10 g

Therefore, the mass of oxygen is 12.10 g.

I hope it helps you!

6 0
3 years ago
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