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tresset_1 [31]
3 years ago
10

1. True or false ? Balanced forces cause a change in motion. How do you know this ?

Chemistry
1 answer:
MariettaO [177]3 years ago
4 0

Answer:

1. False

Balanced forces would mean all forces acting upon an object would be equal. So there is no movement.

2. True

Unbalanced forces would mean there is a force acting upon a side of tge object, causing it to move in a direction.

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Acetic acid (CH3CO2H) is the principal component in the vinegar. What is the molarity of an acetic acid solution if a titration
Alexxx [7]

Answer : The molarity of an acetic acid solution is, 0.0338 M

Explanation :

Formula used :

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of acetic acid.

M_2\text{ and }V_2 are the molarity and volume of NaOH.

We are given:

M_1=?\\V_1=50.0mL\\M_2=0.0567M\\V_2=29.80mL

Putting values in above equation, we get:

M_1\times 50.0mL=0.0567M\times 29.80mL\\\\M_1=0.0338M

Hence, the molarity of an acetic acid solution is, 0.0338 M

4 0
3 years ago
Answer this chemistry question below
kogti [31]
Its D :) your welcome
7 0
3 years ago
What volume of a 3.50 M Na3PO4 solution would you use to make 1.50 L of a 2.55 M Na3PO4 solution?
kati45 [8]
The answer is A. 1.09 L
8 0
3 years ago
Vigorous stirring significantly increases . . . A. the effective surface area for phase transfer B. the effective concentration
luda_lava [24]

Answer:

idk

Explanation:

5 0
3 years ago
A light photon with a frequency of at least 0.108 × 1016 Hz is required to split apart dihydrogen according to the equation: H2(
Allisa [31]

Answer:

2.825*10^{3}kJ/mol

Explanation:

We need to calcule the energy of a photon using Planks Formula:

E=hv

Where h is planks constant (6.62607004 × 10-34 m2 kg / s) and v is the frequency of the photon, the resulting energy will result in J/molecule if we want the energy in kJ/mol we need to divide by 1000 to change J into kJ and multiply by avogadros number:

E=(6.6260*10^{-34}m^{2}kg/s*0.108*10^{16}s^{-1})J/molecule*(1kJ/1000 J)*(6.023*10^{23}molecules/mol)=2.825*10^{3}kJ/mol

5 0
3 years ago
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