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alex41 [277]
3 years ago
8

Which notations are commonly used on force diagrams to show forces acting on an object? Check all that apply. Fp, Fz,

Chemistry
2 answers:
VLD [36.1K]3 years ago
6 0

Answer:

fn, ff, fg, and fp are the answeres for edginuity test

Explanation:

jeka57 [31]3 years ago
4 0
Force diagrams are used in physics in order to help solve problems involving mechanics. There are a number of forces that can be labelled upon a force diagram and this includes FN (Normal force), Ff (Friction force) and Fg (Gravitational force). When a system is in equilibrium, forces within a force diagrams should add to zero.
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Which equation represents the reaction of acetic (ethanoic) acid with water?
xz_007 [3.2K]
Chemical equation:

<span>CH</span>₃<span>COOH + H</span>₂<span>O = CH</span>₃<span>COO</span>⁻<span> + H</span>₃<span>O</span>⁺

hope this helps!
5 0
3 years ago
Solutes lower the freezing point of water by:
il63 [147K]
Water molecules are constantly moving in Ice they move slower and are more tightly packed together and move at a slower pace to lower the freezing point you would have to find a solute that makes it harder for water to form crystals 
7 0
3 years ago
ethanol has a density of 0.789 g/cm3, how many pounds of ethanol would be in a drum containing 7.0 gallons of ethanol
max2010maxim [7]

From the density of ethanol given, the number of pounds of ethanol in the drum will be 46.099 pounds.

<h3>How to calculate density</h3>

Density of ethanol = 0.789/cm³

1 gallon = 3785.4ml

Volume of ethanol = 7 gallons = 7 × 3785.4ml = 26497.8ml

Mass of ethanol = Volume × Density.

= 26497.8 × 0.789

= 20906.764g

Since 1g = 0.002205 pounds, the mass of ethanol will be:

= 20906.764 × 0.002205

= 46.099 pounds.

Learn more about density on:

brainly.com/question/11730603

5 0
2 years ago
Explain, in terms of intermolecular forces, why ammonia has a higher boiling point than the other compounds in the ta
Kobotan [32]
Answer is: ammonia has a higher boiling point because it has stronger intermolecular forces.

Intermolecular forces<span> are the forces between </span><span>molecules. The stronger are intermolecular forces, the higher is boiling point of compound, because more energy is needed to break interaction between molecules.
</span>There are several types of intermolecular forces: hydrogen bonding, i<span>on-induced dipole forces, ion-dipole forces andvan der Waals forces.</span>
7 0
3 years ago
Potassium carbonate (K2CO3) has one potassium atom bonded to carbon, and that carbon is also bonded to three oxygens. Their elec
dybincka [34]

Answer:

I'm not all the way sure but I think it is C

Explanation:

The reason is because an ionic bond essentially donates an electron to the other atom participating in the bond. Also, the C-O I think is polar since it is evenly distributed.

3 0
2 years ago
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