3 years ago

Which of the following is an examples of pseudoscience

Chemistry

1 answer:

german3 years ago

6 0

Examples that have been believed to be science: such as religion, flat earth, etc.

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(2) 8.1.3 Write down the structural formula of alcohol used in this reaction.

vitfil [10]

Answer:

-OH

Explanation:

Alcohols generally have the structural formula OH

for example, ethanols structural formula is C2H5OH

7 0

2 years ago

A gas held at constant volume is heated from -5 degrees C to 50 degrees C, if the initial pressure is 1.0 atm, what is the new p

Hunter-Best [27]

1.21 atm, assuming the gas behaves ideally

8 0

2 years ago

If you add the same amount of heat to two different substances, will they both change phase?

lesantik [10]

Answer:

It depends on their melting and/or their boiling points, because the heat provides the particles with kinetic energy to break the electrosatic bonds in the substances, which can differ in strength

Explanation:

8 0

2 years ago

If 17.8 grams of KOH dissolve in enough water to make a 198-gram solution, what is the concentration in percent by mass?

sleet_krkn [62]

Solute of solution = 17.8 g

Solvn = 198 g

% = 17.8 / 198

w% = 0.089 x 100 = 8.9% by mass

hope this helps!

7 0

3 years ago

The layer of the Earth that the lithospheric plates move on top of is called the

ikadub [295]

Answer:

A. Lithosphere

4 0

3 years ago