3 years ago

The base unit of a measured liquid called volume is?

Chemistry

1 answer:

Dafna1 [17]3 years ago

8 0

The answer you need is Volume.

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Which one is correct

anyanavicka [17]

Answer:

number 3.

Explanation:

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How many grams of octane (C8H18) must be burned to produce 300.0g of CO2?

nika2105 [10]

Answer:

$m_{C_8H_{18}}=85.67gC_8H_{18}$

Explanation:

Hello there!

In this case, according to the given combustion reaction of octane, it is possible for us to perform the stoichiometric method in order to calculate the mass of octane that is required to consume 300.0 g of oxygen by considering the 2:25 mole ratio, and the molar masses of 114.22 g/mol and 32.00 g/mol respectively:

$m_{C_8H_{18}}=300.0gO_2*\frac{1molO_2}{32.00gO_2}*\frac{2molC_8H_{18}}{25molO_2}*\frac{114.22gC_8H_{18}}{1molC_8H_{18}} \\\\m_{C_8H_{18}}=85.67gC_8H_{18}$

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3 years ago

HELP 20 POINTS <br>A photon has a wavelength of 366 nm. What is the frequency of this photon?

den301095 [7]

Answer:

9. 8.2x10¹⁴ Hz

Explanation:

Wavelength λ = 366 nm

Formula: Frequency = C / λ

To find the wavelength in m,

1 nm = 1.0x10⁻⁹ m

So, 366 nm = ?

= 3.66x10⁻⁷ m

Frequency = 3.0x10⁸m.s-1 / 3.66x10⁻⁷ m

= 8.2x10¹⁴ s-1

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3 years ago

Whats the unit for mass

sesenic [268]

Answer:

The unit for mass is the kilogram (Kg).

Explanation:

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What type of reaction is: br2 + nal2 ---> nabr + l2

Furkat [3]

Answer: its a single replacement reaction

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3 years ago