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3 years ago

Hector went to the grocery store by heading due north at 3 m/s, then turning east and continuing at

Chemistry

1 answer:

Rudiy273 years ago

8 0

Answer: Its C. Hector's velocity changed because his direction changed

Explanation: The answer is C because any time a change in speed, or a change in direction, or a change in both speed and direction means that the object has a change in velocity. And even though the speed stayed the same the velocity will still change because Hector change his direction. I hope this helped :)

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Rasheed calculates that his chemical reaction should produce 4 moles of product, but when he does the experiment, he gets only 3

Brut [27]

Answer:

The answer to your question is 75%

Explanation:

Data

Theoretical production = 4 moles

Experimental production = 3 moles

Percent yield = ?

Formula

$Percent yield = \frac{Experimental production}{Theoretical production} x 100$

Substitution

$Percent yield = \frac{3}{4} x 100$

Result

Percent yield = 75 %

8 0

3 years ago

Suppose that 0.00150 moles of CO2 (44.0 g/mol) effuse out of a pinhole in 1.00 hour. How many moles of N2 (28.0 g/mol) would eff

kenny6666 [7]

Answer:

I was having trouble with this question idk the answer

Explanation:

4 0

3 years ago

Read 2 more answers

Dimitri Mendeleev organized an early version of the Periodic Table in order of increasing __________.

omeli [17]

c) Atomic Mass.

Hope it is helpfull

6 0

3 years ago

If 0.50 mol/L of butane is added to the original equilibrium mixture and the system shifts to a new equilibrium position, what i

Ostrovityanka [42]

Consider the isomerization of butane with equilibrium constant is 2.5 .The system is originally at equilibrium with :

[butane]=1.0 M , [isobutane]=2.5 M

If 0.50 mol/L of butane is added to the original equilibrium mixture and the system shifts to a new equilibrium position, what is the equilibrium concentration of each gas?

Answer:

The equilibrium concentration of each gas:

[Butane] = 1.14 M

[isobutane] = 2.86 M

Explanation:

Butane ⇄ Isobutane

At equilibrium

1.0 M 2.5 M

After addition of 0.50 M of butane:

(1.0 + 0.50) M -

After equilibrium reestablishes:

(1.50-x)M (2.5+x)

The equilibrium expression will wriiten as:

$K_c=\frac{[Isobutane]}{[Butane]}$

$2.5=\frac{2.5+x}{(1.50-x)}$

x = 0.36 M

The equilibrium concentration of each gas:

[Butane]= (1.50-x) = 1.50 M - 0.36M = 1.14 M

[isobutane]= (2.5+x) = 2.50 M + 0.36 M = 2.86 M

3 0

3 years ago

Why would there be a concern with glaciers melting because of global warming?

vaieri [72.5K]

The correct answer is C. because it could lead to an increase in ocean levels

5 0

3 years ago