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IrinaK [193]
3 years ago
13

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? Component Q, becau

se being tentative is a characteristic of a theory. Component Q, because being tentative is a characteristic of a hypothesis. Component P, because being supported by ample evidence is a characteristic of a theory. Component P, because being supported by ample evidence is a characteristic of a hypothesis.
Chemistry
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

Component P, because being supported by ample evidence is a characteristic of a theory.

Explanation:

Hypothesis do not explain phenomenon they are just educated guesses that can be put into work to see if they are true of false.

Scientific theory on other hand, is widely accepted and supported by large amount of evidence and useful for explaining scientific phenomenon.

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A compound that yields hydrogen ions when dissolved in a solution
Mumz [18]

A compound that yields hydrogen ions when dissolved in a solution is an acid.

An example is an <em>aqueous solution of HCl.</em>

7 0
4 years ago
Classify the items based on whether they are or are not matter.
Phantasy [73]

Answer:

Matter:

toothpaste

gasoline

bacteria

cell

Not matter:

happiness

sound

Explanation:

Matter is something that has mass and volume. Happiness is just a feeling, it doesn't exist in 3d world. Sound is a wave or just the movement of matter (particles of matter). Others have masses and volumes.

6 0
3 years ago
Name the alkanes please help
Pie
Methane CH4 CH4 1 hexane C6H14 CH3(CH2)4CH3 5
ethane C2H6 CH3CH3 1 heptane C7H16 CH3(CH2)5CH3 9
propane C3H8 CH3CH2CH3 1 octane C8H18 CH3(CH2)6CH3 18
butane C4H10 CH3CH2CH2CH3 2 nonane C9H20 CH3(CH2)7CH3 35
pentane C5H12 CH3(CH2)3CH3 3 decane C10H22 CH3(CH2)8CH3 75
4 0
2 years ago
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 100.mg of Na present? G
seraphim [82]

<u>Answer:</u> The mass of sodium chloride solution present is 0.256 grams.

<u>Explanation:</u>

We are given:

39.0 % of sodium in sodium chloride solution

This means that 39.0 grams of sodium is present in 100 grams of sodium chloride solution

Mass of sodium given = 100 mg = 0.1 g     (Conversion factor:  1 g = 1000 mg)

Applying unitary method:

If 39 grams of sodium metal is present in 100 grams of sodium chloride solution

So, if 0.1 grams of sodium metal will be present in = \frac{100}{39}\times 0.1=0.256g of sodium chloride solution.

Hence, the mass of sodium chloride solution present is 0.256 grams.

8 0
3 years ago
When sugar is dissolved in hot tea, physical changes occur. Write two physical properties of sugar
kompoz [17]

Answer:

When you mix the sugar into the tea and stir, it dissolves so you can't see it. Also when you stir the sugar into the tea the taste changes and it turns sweeter.

6 0
3 years ago
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