3 years ago

What is different about the position of that letter if an acid starts with a C?

Chemistry

1 answer:

ladessa [460]3 years ago

8 0

Answer:

i think it's will difference from compund to compund

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Express the sum of 1111 km and 222 km using the correct number of significant digits

kenny6666 [7]

1333 KM is the sum,

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4 years ago

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3. The formula for table salt is NaCl. Is table salt ionic or covalent? Explain

d1i1m1o1n [39]

Answer:

it's an ionic compound

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3 years ago

A laser emits a green light with wavelength of 515 nm. Calculate the frequency of this light.

pentagon [3]

Answer:

$Frequency=5.83\times 10^{14}\ Hz$

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 = 515 nm

Also, 1 m = $10^{-9}$ nm

So,

Wavelength = $515\times 10^{-9}$ m

Thus, Frequency is:

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

$Frequency=\frac{3\times 10^8}{515\times 10^{-9}}\ Hz$

$Frequency=5.83\times 10^{14}\ Hz$

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3 years ago

Calculate the number of protons, neutrons and electrons in Copper

balandron [24]

Answer:

neutrons=35
protons=29
electrons=29

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3 years ago

How many bonding and antibonding molecular orbitals are there in methane, CH4?

aksik [14]

Answer:

Four Four

Explanation:

A molecule is formed by the overlap of orbitals. The combination of atomic orbitals during bond formation leads to the formation of bonding and anti bonding molecular orbitals.

When a molecule is formed, the number of bonding molecular orbitals must be equal to the number of anti bonding molecular orbitals.

Hence, when methane is formed, four bonding and four anti bonding orbitals are formed because methane forms four bonds per molecule.

8 0

4 years ago