CHEMISTRY HIGH SCHOOL

A solution that has a relatively large quantity of solute dissolved in the solvent is:? and please explain the answerA) heterogeneous
B) dilute
C) dissociated
D) Concentrated

Answers

Answer 1
Answer:

A solution that has a relatively large quantity of solute dissolved in the solvent is concentrated.

What is solute?

  • The substance that is dissolved in a solution is known as a solute.
  • The solvent is present in higher amounts than the solute in fluid solutions.
  • Concentration is the ratio of the amount of solute in a chemical solution to the amount of solvent present.

What is solvent?

  • The component of a solution that is present in the largest amount is called a solvent.
  • It's the liquid that the solute is dissolved in.
  • A solvent is usually a liquid. It can however, be a gas, a solid or a supercritical fluid.

Hence, option D is the answer.

To learn more about solute and solvent here

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Answer 2
Answer: A solution that has a high amount of solute/concentration in the solvent is concentrated because if there is a lot of solute compared to the solvent, then the ratio of solute to solvent is higher, and thus the concentration is higher too.
Hope this helps!

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How might scientific knowledge about monoculture farming affect societal decisions? Please be sure to answer in complete sentences.Can someone please help me with this?

Answers

in monoculture farming , we produce a single species of a livestock or plant in large quantity.

Eventhough it is very effective, producing a mass number of a single organism in an Area will risk of endangering the existence of a specific nutrient ( because that large number of organism is basically eating the same thing)

which lead to societal decision such as the founding of The Livestock conservancy, or other environmental protection organization

People could choose to practice organic farming, heirloom plants, or use GMOs.Governments could pass laws to limit the use of monoculture farming or require people to use alternate farming methods.

Hydrogen has three isotopes, 1H, 2H, and 3H. What is the difference between these three isotopes?A. The number of protons ranges from 1 to 3.
B. The number of electrons ranges from 1 to 3.
C. The number of neutrons ranges from 0 to 2.
D. The number of protons ranges from 0 to 2.

Answers

The correct answer is C.

A substance is said to exhibit isotopy if the number of proton and neutron in the nucleus of the atom differs, whille the number of proton and electron are the same. Hydrogen has three isotopes and each of the isotopes has different number of neutron. Hydrogen 1 has no neutron but have 1 proton, hydrogen 2 has 1 neutron and 1 proton and hydrogen 3 has 1 proton and 2 neutrons.

C... The number of neutrons ranges from 1H with 0 neutron, 2H with 1 neutron and 3H with 2 neutrons.

What happens in the artificial transmutation of an element? Included an example.

Answers

Answer:

Explanation:

In an artificial transmutation, atoms of one element are artificially made to strike other particles with in an accelerator. Usually in an Artificial transmutation, there are particle accelerators that bombard the elements with in them using alpha particles, deuterons etc.  

This bombarding causes lodging of certain elements into the targeted nucleus, thereby forming a new and a different element.  

For example -

In the first artificial transmutation, Helium nucleus was bombarded on nitrogen nucleus thereby producing new nuclei and a proton.

In an artificial transmutation an element is transformed into another element by being shot by another element or particle. For example if you shoot an alpha particle like Helium at Nitrogen then you transform the Nitrogen into an oxygen and you get Hydrogen as a By-product

What is the difference in a transverse and a longitudinal wave?Group of answer choices

Transverse waves are bigger than longitudinal waves

A transverse wave has crests and troughs and a longitudinal has compressions and rarefactions.

Transverse waves are sound waves and longitudinal waves are light waves.

Answers

Answer:

A transverse wave has crests and troughs and a longitudinal has compressions and rarefactions.

What is the Roman numeral that should be used in the following: silver (_______) sulfide? A. No Roman numeral should be used here. B. I C. III D. II

Answers

Answer: The correct answer is Option B.

Explanation: The compound given to us is Ag_2S. To write the IUPAC name for this compound, we need to follow some rules:

1. First write the name of the cation with its oxidation state in roman numbers.

2. Then write the name of the anion which may be a polyatomic ion or a non-metal.

3. The anion is used with a suffix '-ide'. Example: For chlorine, the anion would be named as chloride, for sulfur, the anion would be sulfide.

For the given compound, 2 silver atoms are needed to neutralize the charge on 1 sulfur atom.

Hence, the oxidation number of silver atom is '1'. So, the IUPAC name for the compound will be silver (I) sulfide.

Therefore, the correct option is B.
The answer is I

The correct way of writing this would be silver(I) sulfide, but silver sulfide without the (I) is also OK because it isn't always writte, nor is it necessary to write the (I). 
 

The pH level of tomato juice is 4.2. What is the hydrogen-ion concentration [H+] for tomato juice?A. 0.0004 B. 0.0006 C. 0.00004 D. 0.00006

Answers

The pH of a solution is related to the hydrogen ion concentration in a logarithmic function which is expressed as:

pH = -log[H+]

4.2 = - log [H+]
[H+] = 6.31 x 10^-5 M

Therefore, the correct answer from the choices listed above is option D, 0.00006 M.
pH = 4.2

[H+] = 10 ^- pH

[H+] = 10 ^- 4.2

[H+] = 0.00006 M

Answer D
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