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3 years ago

Demand decreases and competition increases are factors that cause a shift in the quantity supplied (true or false)

Chemistry

1 answer:

Pavlova-9 [17]3 years ago

4 0

Answer is: true.

Demand decreases and competition increases decrease the quantity supplied.

Quantity supplied is the quantity of a commodity that producers are willing to sell at a particular price at a particular point of time.

Quantity demanded is the quantity of a commodity that people are willing to buy at a particular price at a particular point of time.

Quantity demanded can change at the same price depending upon factors like recession, changes in the taste of the consumer.

Competition is rivalry between two or more economic groups.

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What is an atomic mass unit?

rjkz [21]

Answer:

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Explanation:

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2 years ago

Read 2 more answers

Suppose the half-life is 9.0 s for a first order reaction and the reactant concentration is 0.0741 M 50.7 s after the reaction s

bazaltina [42]

<u>Answer:</u> The time taken by the reaction is 84.5 seconds

<u>Explanation:</u>

The equation used to calculate half life for first order kinetics:

$k=\frac{0.693}{t_{1/2}}$

where,

$t_{1/2}$ = half-life of the reaction = 9.0 s

k = rate constant = ?

Putting values in above equation, we get:

$k=\frac{0.693}{9}=0.077s^{-1}$

Rate law expression for first order kinetics is given by the equation:

$k=\frac{2.303}{t}\log\frac{[A_o]}{[A]}$ ......(1)

where,

k = rate constant = $0.077s^{-1}$

t = time taken for decay process = 50.7 sec

$[A_o]$ = initial amount of the reactant = ?

[A] = amount left after decay process = 0.0741 M

Putting values in equation 1, we get:

$0.077=\frac{2.303}{50.7}\log\frac{[A_o]}{0.0741}$

$[A_o]=3.67M$

Now, calculating the time taken by using equation 1:

$[A]=0.0055M$

$k=0.077s^{-1}$

$[A_o]=3.67M$

Putting values in equation 1, we get:

$0.077=\frac{2.303}{t}\log\frac{3.67}{0.0055}\\\\t=84.5s$

Hence, the time taken by the reaction is 84.5 seconds

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3 years ago

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Answer:

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3 years ago

The ion with 36 electrons, 34 protons, and 44 neutrons

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While the number nuclear protons as given is 34, and therefore we deal with the element selenium, there are 2 more electrons than protons, and therefore this species has an overall
2
−
charge.
We represent this selenide ion as
S
e
2
−
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Z= 34, therefore the atom is selenium

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3 years ago

Indicate which of the following statements is FALSE.a. Covalent bonds connect nucleotides in a strand; noncovalent interactions

LenaWriter [7]

Answer:

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Explanation:

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