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Stels [109]
3 years ago
5

What is the speed of a wave with a wavelength of 3 m and a frequency of .1hz?

Chemistry
1 answer:
Ivahew [28]3 years ago
4 0

Answer:

0.671081 mps

Explanation:

.....................

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A compound's molecular formula must always be different than the compound's empirical formula. TRUE FALSE
Juli2301 [7.4K]

Answer: False

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

Example: CH_4 has similar molecular formula and empirical formula as the elements are already present in simplest of the ratios.

C_2H_2 has molecular formula of C_2H_2 but CH as the empirical formula.

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3 years ago
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Gwar [14]

Answer:

160.3 g S

Explanation: there you go

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2 years ago
Derek needs a tool that delivers 25.00 mL of a sodium hydroxide solution. What tool would be best for him to use?
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He may use a pipette with a volume greater than 25 ml to transfer the solution.
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You add 100.0 g of water at 52.0 °C to 100.0 g of ice at 0.00 °C. Some of the ice melts and cools the water to 0.00 °C. When the
lara31 [8.8K]

Answer:

m_{ice} = 65.336\,g

Explanation:

Accoding to the First Law of Thermodynamics, the heat released by the water melts a portion of ice. That is to say:

Q_{water} = Q_{ice}

(100\,g)\cdot \left(4.184\,\frac{J}{kg\cdot ^{\textdegree}C}\right)\cdot (52\,^{\textdegree}C - 0\,^{\textdegree}C) = m_{ice}\cdot \left(333\,\frac{J}{g} \right)

The amount of ice that is melt is:

m_{ice} = 65.336\,g

5 0
3 years ago
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