2 years ago

Water is thee what? Please answer ASAP!

Chemistry

1 answer:

scZoUnD [109]2 years ago

8 0

In Latin it's Aqua but chemically speaking it's H20

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Identify a process that is NOT reversible. A. melting of steel B. freezing water C. melting of ice D. frying an egg E. depositio

vredina [299]

I’m pretty sure it would be D. Frying an egg

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3 years ago

Telephone signals are often transmitted over long distances by microwaves. what is the frequency of microwave iradiation with a

Alborosie

c = speed of light = 3.00 x 10^5 km/s = 3.00 x 10^8 m/s
Î» = wavelength of the microwave radiation = 3.50 cm = 0.035 m
f = frequency (in Hertz) = to be determined
f = c/Î» = 3.00 x 10^8 m/s / 0.035 m
f = 8.57 x 10^9 Hz Frequency

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3 years ago

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Which element can join with other elements to form covalent bonds? beryllium (Be) carbon (C) cesium (Cs) iron (Fe)

Rainbow [258]

Answer:

Carbon (C)

Explanation:

Carbon is the only nonmetal there and covalent bonds happen between two nonmetal atoms

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3 years ago

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Calculate the volume in milliliters of a 0.420mol / L barlum chlorate solution that contains 25.0 g of barium chlorate (Ba(ClO 3

Pachacha [2.7K]

Answer: The volume of barium chlorate is 195.65 mL

Explanation:

To calculate the volume of solution, we use the equation used to calculate the molarity of solution:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

Given mass of barium chlorate = 25.0 g

Molar mass of barium chlorate = 304.23 g/mol

Molarity of solution = 0.420 mol/L

Volume of solution = ?

Putting values in above equation, we get:

$0.420mol/L=\frac{25.0\times 1000}{304.23\times V}\\\\V=\frac{25.0\times 1000}{304.23\times 0.420}=195.65mL$

Hence, the volume of barium chlorate is 195.65 mL

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3 years ago

How many grams are in 2 moles of Iodine?

Nady [450]

Answer: 253.8

Explanation:

The molar mass of iodine is 126.904. Multiply that by two and you get approximately 253.8 grams in two moles.

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2 years ago

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