All categories

3 years ago

PLEASE HELP: 3.01x10^23 molecules of SO3 is how many moles? Please tell me how you got it thank you!

Chemistry

1 answer:

zysi [14]3 years ago

8 0

Divide 3.01x10^23 by the Avogadro's number <span>6.02x10^23

that is

</span>3.01x10^23 / 6.02x10^23 = 0.5 mol of SO3

You might be interested in

Quantitative observations always include _______.

Vlad [161]

The answer to your question is,

A. Numbers

-Mabel <3

8 0

3 years ago

Read 2 more answers

An element Argon has atomic number 18. Deduce the electronic configuration of the elements and suggest the group to which this e

gulaghasi [49]

Answer:

8th or 0th group known as Noble gases

3 0

2 years ago

It takes 839./kJmol to break a carbon-carbon triple bond. Calculate the maximum wavelength of light for which a carbon-carbon tr

tresset_1 [31]

Answer:

The maximum wavelength of light for which a carbon-carbon triple bond could be broken by absorbing a single photon is 143 nm.

Explanation:

It takes 839 kJ/mol to break a carbon-carbon triple bond.

Energy required to break 1 mole of carbon-carbon triple bond = E = 839 kJ

E = 839 kJ/mol = 839,000 J/mol

Energy required to break 1 carbon-carbon triple bond = E'

$E'=\frac{ 839,000 J/mol}{N_A}=\frac{839,000 J}{6.022\times 10^{23} mol^{-1}}=1.393\times 10^{-18} J$

The energy require to single carbon-carbon triple bond will corresponds to wavelength which is required to break the bond.

$E'=\frac{hc}{\lambda }$ (Using planks equation)

$\lambda =\frac{6.626\times 10^{-34} Js\times 3\times 10^8 m/s}{1.393\times 10^{-18} J}$

$\lambda =1.427\times 10^{-7} m =142.7 nm = 143 nm$

$(1 m = 10^9 nm)$

The maximum wavelength of light for which a carbon-carbon triple bond could be broken by absorbing a single photon is 143 nm.

6 0

3 years ago

I need help on 4-6 pleasee

GenaCL600 [577]

4. It is an endothermic process. The body of someone taking a shower would be absorbing heat from the environment, another example of this would be cooking an egg

5. Ice melting is endothermic. The ice is absorbing heat from the environment, water freezing would be an exothermic reaction as it is transferring heat into the environment

6 however i do not have an answer for. I may just be a little dense but I'm not entirely sure what it is asking when it asks what the system is.

6 0

3 years ago

Manuel is heating one liter of water to its boiling point. If one liter of water starts to boil at 100 °C, at what temperature w

Goryan [66]

C im pretty sure because its twice the amount

4 0

3 years ago