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2 years ago

What makes some collisions elastic and others inelastic

Chemistry

2 answers:

rosijanka [135]2 years ago

8 0

Elastic-no loss of kinetic energy
inelastic-kinetic energy is changed to another kind of energy

goblinko [34]2 years ago

6 0

If there is no loss of kinetic energy in the collision, it is elastic.

this is the correct answer because i took the test and got it wrong and it said this was the right answer

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3) If an electrical appliance has 150.0 V applied causing a current of 2.34 amps, what is the

ASHA 777 [7]

Answer:

The resistance would be 64.10 ohms.

have a nice day my dude

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2 years ago

What effects can occur when heat energy is added to a system? Select all that apply. a. increase in temperature

zalisa [80]

a. increase in temperature
d. phase change

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2 years ago

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Th e enzyme-catalyzed conversion of a substrate at 25°C has a Michaelis constant of 0.045 mol dm−3. Th e rate of the reaction is

Elis [28]

Answer:

$1.620\times 10^{-3} mol/dm^3 s$ is the maximum velocity of this reaction.

Explanation:

Michaelis–Menten 's equation:

$v=V_{max}\times \frac{[S]}{K_m+[S]}=k_{cat}[E_o]\times \frac{[S]}{K_m+[S]}$

$V_{max}=k_{cat}[E_o]$

v = rate of formation of products =

[S] = Concatenation of substrate

$[K_m]$ = Michaelis constant

$V_{max}$ = Maximum rate achieved

$k_{cat}$ = Catalytic rate of the system

$[E_o]$ = Initial concentration of enzyme

We have :

$K_m=0.045 mol/dm^3$

$v=1.15 mmol/dm^3 s=1.15\times 10^{-3} mol/dm^3 s$

$[S]=0.110 mol/dm^3$

$v=V_{max}\times \frac{[S]}{K_m+[S]}$

$1.15\times 10^{-3} mol/dm^3 s=V_{max}\times \frac{0.110 mol/dm^3}{[(0.045 mol/dm^3)+(0.110 mol/dm^3)]}$

$V_{max}=\frac{1.15\times 10^{-3} mol/dm^3 s\times [(0.045 mol/dm^3)+(0.110 mol/dm^3)]}{0.110 mol/dm^3}=1.620\times 10^{-3} mol/dm^3 s$

$1.620\times 10^{-3} mol/dm^3 s$ is the maximum velocity of this reaction.

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2 years ago

The density of whole blood is 1.05 g/ml. a typical adult has between 4.7 and 5.5 l of whole blood. what is the mass in pounds of

Kisachek [45]

1.05 g/ml * 1000 ml = 1050g/l because of 1g/ml = 1 kg/l so, a/q mass of 4.7 l of whole blood in pound = 4.7 * 1050 = 4935 g so in pound 4935g = 10.87981p

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2 years ago

Plant cells have a large central vacuole, which animal cells lack. What function does this organelle perform?

Lapatulllka [165]

The central vacuole stores materials, wastes, and helps give the plant structure and support.

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3 years ago

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