2 years ago

Which property is NOT a physical property?

Chemistry

2 answers:

Ede4ka [16]2 years ago

5 0

Answer:

im pretty sure color is the right one

MrRa [10]2 years ago

4 0

Answer: Ability to Burn

Explanation: I TOOK THE TEST

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Common additives to drinking water include elemental chlorine, chloride ions, and phosphate ions. Recently, reports of elevated

NeX [460]

Answer:

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Explanation:

Kindly check the attached image below to see the step by step explanation to the question above.

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2 years ago

Which of the following obtain their energy from the organisms they eat?

Zepler [3.9K]

The white-tailed deer. (D)

The rest are plants, which make their own energy from photosynthesis.

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2 years ago

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Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is MHz. [speed of light

Volgvan

Answer:

50 MHz

Explanation:

The relation between frequency and wavelength is shown below as:

$c=frequency\times Wavelength$

c is the speed of light having value $3\times 10^8\ m/s$

Given, Wavelength = 6 m

Thus, Frequency is:

$Frequency=\frac{c}{Wavelength}$

$Frequency=\frac{3\times 10^8}{6}\ Hz$

$Frequency=50\times 10^{6}\ Hz$

Also,

Also, 1 Hz = $10^{-6}$ MHz

So,<u> Frequency = 50 MHz.</u>

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3 years ago

The empirical formula for a compound that is 1.2% h, 42.0%cl, and 56.8%o is

Charra [1.4K]

Hope you understand how to work out those types of questions now xD ;)

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2 years ago

What is the maximum volume of a 0.788 M CaCl2 solution that can be prepared using 85.3 g CaCl2?

Law Incorporation [45]

The answer is 0.975 L

Volume = mol/Molarity

We have molarity (0.788 M) and we need mol and volume. Let's first calculate number of moles of CaCl2 in 85.3 g:

Molar mass of CaCl2 is sum of atomic masses of Ca and Cl:
Mr(CaCl2) = Ar(Ca) + 2Ar(Cl) = 40 + 2 * 35.45 = 40 + 70.9 = 110.9 g/mol

So, if 110.9 g are in 1 mol, 85.3 g will be in x mol:
110.9 g : 1 mole = 85.3 g : x
x = 85.3 g * 1 mole / 110.9
x = 0.769 moles

Now, calculate the volume:
V = 0.769/0.788
V = 0.975 L

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2 years ago