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1 year ago

Which statement best describes a relationship amongst hypotheses, theories, and laws

1 answer:

8 0

The relationship between hypotheses, laws and theories is that a law is used to explain hypothesis and theories.

<h3>What is a law, a theory and hypothesis?</h3>

A hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further investigation or experimentation.

A theory is a coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed.

A law is a statement whose sequence or relationship of phenomena is invariable under certain conditions.

This suggests that a law can be used to explain a theory and hypothesis.

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Answer:

yes

Explanation:

when you are not looking directly at it it won't affect you in any way

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Which symbol is generally used to represent a sugar in simple models of nucleotides?

Bumek [7]

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3 years ago

H2CO: → H2O + CO2

GaryK [48]

Answer:

1) 2

2) 1

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4) 2

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2 years ago

which scenario will most likely result in a change to the nitrogen cycle that negatively affects plant growth?

Fed [463]

Soil acidification is a circumstance which will most likely lead to a change in the nutrient cycling that will have a detrimental impact on plant growth.

<h3>What is the main use of nitrogen?</h3>

The chemical industry depends on nitrogen. It is used to create explosives, nylon, nitric acid, fertilizers, and colors. N must first be combined with hydrogen to create ammonia in order to create these products. The Haber process is used for this. Similar to chlorine gas and carbon monoxide poisoning, nitrous oxide poisoning is detrimental to all living things.

<h3>Why is nitrogen poisonous?</h3>

Effects on health. The majority of greater nitrogen oxides are irritants to the eyes, skin, and respiratory system. Except at deadly quantities, where arginine may kill more quickly, no2 is a corrosive chemical that, when in contact with water, produces nitric and nitrous acids.

To know more about Nitrogen visit:

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4 0

8 months ago

A solution of the primary standard potassium hydrogen phthalate (KHP), KHC8H4O4 , was prepared by dissolving 0.4877 g of KHP in

Grace [21]

Answer:

The concentration of KOH is 0.06137 M

Explanation:

Step 1: Data given

Molar mass of KHP = 204.22 g/mol

Mass of KHP = 0.4877 grams

Volume of water = 50 mL

Volume of KOH solution = 38.91 mL

Step 2: The balanced equation

C8H5KO4 + KOH ⇒ C8H4K2O4+ H2O

Step 3: Calculate number of moles of KHP

Moles = Mass / molar mass

Moles KHP = 0.4877 grams / 204.22 g/mol

Moles KHP = 0.002388 moles

Step 4: Calculate moles of KOH

For 1 mol KHP we need 1 mol KOH to produce 1 mol C8H4K2O4 and 1 mol H2O

For 0.002388 moles KHP we need 0.002388 moles KOH

Step 5: Calculate the concentration of KOH

Concentration = moles / volume

Concentration of KOH = 0.002388 moles / 0.03891 L

Concentration of KOH = 0.06137 M

The concentration of KOH is 0.06137 M

4 0

2 years ago