Which element will chemically combine with fluorine to form a salt?a. carbon
b. lithium
c. neon
d. oxygen

Answers

Answer 1
Answer: The answer is C
Hope this helps

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How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 milliliters?

Answers

The units for molarity is moles of solute per liter of solution which means if you multiply the molarity of a solution by its volume you get how many moles of solute are in the solution. (0.75Mx0.5L=0.375mol NaCl) Then you can multiply the moles of sodium chloride (0.375 mol) by its molar mass (58.45 g/mol) to get 21.92g of sodium chloride. That means there is 21.92 grams of sodium chloride in 500mL of 0.75M solution. I hope this helps. Let me know if anything is unclear.

Gastric juice in the stomach contains pepsin and sulfuric acid.


TrueFalse

Answers

False, pepsin and hydrochloric acid

Answer:

False

Explanation:

it contains pepsin and hydrochloric acid

Describe the general location of the electrons in a covalent bond

Answers

When the Bond Order is higher, bond length is shorter, and the shorter the bond length means a greater the Bond Energy because of increased electric attraction. In general, the shorter the bond length, the greater the bond energy.

Converting carbon to nitrogen by increasing the number of protons from 6 to 7 and decreasing the number of neutrons from 8 to 7 is an example of what type of decay?

Answers

Answer: The given decay process is beta decay.

Explanation:

Beta-decay is defined as the decay process in which a neutron gets converted into a proton and an electron releasing a beta-particle. The beta particle released carries a charge of -1 units and has a mass of 0 units.

_Z^A\textrm{X}\rightarrow _(Z+1)^A\textrm{Y}+_(-1)^0\beta

The chemical reaction for converting carbon nucleus to nitrogen nucleus, the equation follows:

_6^(14)\textrm{C}\rightarrow _7^(14)\textrm{N}+_(-1)^0\beta

Thus, the given decay process is beta decay.


this is beta decay as the mass number stays the same but proton number changes, this is specifically beta minus as a neuron changes into a proton

How many moles of sodium hydroxide are contained in 65.0 mL of a 2.20 M solution?

Answers

2.20 M means there are 2,20 mol of NaOH in 1 000 mL of solution. We can use this proportion as a conversion factor:

65\ mL\cdot (2.20\ mol)/(1\ 000\ mL) = \bf 0.143\ mol

Which statement best describes how an ionic bond forms? a.The transfer of electrons forms strong bonds between ions.
b. The sharing of electrons forms strong bonds between ions.
c. The transfer of electrons results in attractive forces between molecules.
d.The sharing of electrons results in attractive forces between molecules.

Answers

The question says,'which statement best describes how an ionic bond forms. The correct option is A. Ionic bonds are formed as a result of complete transfer of electrovalence electrons from one atom to another. The atom that donate the electron become a positively charged ion while the atom that received the atom become a negatively charged ion.

The answer is (A) The transfer of electrons forms strong bonds between ions.