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Rus_ich [418]
3 years ago
12

How many electrons, protons, neutrons, and what is the atomic number and atomic mass (if any) does Fluoride have?

Chemistry
2 answers:
dalvyx [7]3 years ago
6 0
Electrons: 9, Protons: 9, Neutrons: 10 and the Atomic Number is 9. The Atomic Mass is 18.998.
ExtremeBDS [4]3 years ago
5 0
Fluoride is an anion of Fluorine

What this means is that the two have the same number of protons (9), but Fluoride has 10 electrons compared to Fluorine's 9.

So the answers are:
Protons - 9
Neutrons - 9
Electrons - 10
Atomic Number - 9
Atomic Mass - 19 g/mol
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You do an experiment in which you need 0.25 mole of tyrosine (C,H11 NO3).
Marina CMI [18]

Answer:

B.90.5 g

Explanation:

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6 0
3 years ago
A scientist measures the standard enthalpy change for the following reaction to be 67.9 kJ:
hodyreva [135]

Answer:

-252.5 kJ/mol = ΔH H2O(g)

Explanation:

ΔH Fe2O3 = -825.5kJ/mol

ΔH H2 = 0kJ/mol

ΔH Fe = 0kJ/mol

Based on Hess's law, ΔH of a reaction is the sum of ΔH of products - ΔH of reactants. For the reaction:

Fe2O3(s) + 3 H2(g) →2Fe(s) + 3 H2O(g)

ΔHr = 67.9kJ/mol = 3*ΔH H2O + 2*ΔHFe - (ΔH Fe2O3 + 3*Δ H2)

67.9kJ/mol = 3*ΔH H2O + 2*0kJ/mol - (ΔH -825.5kJ/mol + 3*Δ H2)

67.9 = 3*ΔH H2O(g) + 825.5kJ/mol

-757.6kJ/mol = 3*ΔH H2O(g)

<h3>-252.5 kJ/mol = ΔH H2O(g)</h3>
6 0
2 years ago
PLZ HELP!
Setler [38]

Answer:

The answer is RNA

Explanation:

Each sequence of three nucleotides, called a codon, usually codes for one particular amino acid. (Amino acids are the building blocks of proteins.) A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time.

7 0
2 years ago
Read 2 more answers
(100 PTS NEED HELP ASAP)
ollegr [7]

Answer:

Explanation:

<em>Waves are actually energy passing through the water, causing it to move in a circular motion. ... This phenomenon is a result of the wave's orbital motion being disturbed by the seafloor.</em>

<em>The direction a wave propagates is perpendicular to the direction it oscillates for transverse waves. A wave does not move mass in the direction of propagation; it transfers energy.</em>

6 0
3 years ago
How can the amount of energy produced during a chemical reaction be determined ?
Naddika [18.5K]
By using thermodynamics; you would have to know what the ΔH of the reaction would be too. If an energy diagram is given, you can determine the ΔH from there
3 0
3 years ago
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