A bicycle rider is applying a force of 20 N while heading south against a wind blowing from the south with a force of 5 N

Chemistry

1 answer:

Alenkasestr [34]2 years ago

7 0

Answer:

the bike will go down 5 N

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Okay so this is half math half chemistry...

AleksandrR [38]

So you need to find the volume in L? If so:
Convert the mass of Lithium Bromide into moles by dividing the 100 grams by the molar mass of LiBr, taken from the periodic table
In a solution, moles = (concentration in mole/L) x (volume in L)
We know the moles, we have the concentration in mole/L, now find the volume in L, and you should get 0.288. Plz do the math and check for yourself

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2 years ago

Which substance is a base? HCOOH RbOH H2CO3 NaNO3

Alex Ar [27]

Answer:

RbOH

Explanation:

For this question, we have to remember what is the definition of a base. A base is a compound that has the ability to produce hydroxyl ions $OH^-$ , so: