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Snezhnost [94]
3 years ago
13

Monkeys and bats have similar bone structure in their forelimbs. However, monkeys have longer forelimbs to use for climbing and

swinging in trees. Bats have shorter forelimbs to use for flight.
Which term best describes how monkey and bat forelimbs are related to each other?
Chemistry
1 answer:
stich3 [128]3 years ago
5 0
A monkey needs to use more force and strength than a bat when swinging and they can get more momentum to push forward. and bat needs shorter limbs so they don’t have much weight to carry when they are flapping their wings. they will go faster with less mass in their arms.
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When you put an ice cube into a glass of room temperature water, why does the water get cold?
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PLEASE HELP!!!
trasher [3.6K]

Answer:

(a) oxygen

(b) 154g (to 3sf)

(c) 79.9% (to 3sf)

Explanation:

mass (g) = moles × Mr/Ar

note: eqn means chemical equation

(a)

moles of P = 84.1 ÷ 30.973 = 2.7152 moles

moles of O2 = 85÷2(16) = 2.65625 moles

Assuming all the moles of P is used up,

moles of O2 / moles of phosphorus = 5/4 (according to balanced chemical eqn)

moles of O2 required = 5/4 × 2.7152moles = 3.394 moles (more than supplied which is 2.65625moles)

therefore there is insufficient moles of O2 and the limiting reactant is oxygen.

(b)

moles of P2O5 produced

= 2/5 (according to eqn) × 2.7152

= 1.08608moles

mass of P2O5 produced

= 1.08608 × [ 2(30.973) + 5(16) ]

= 154.164g

= approx. 154g to 3 sig. fig.

(c)

% yield = actual/theoretical yield × 100%

= 123/154 × 100%

= 79.870%

= approx. 79.9% (to 3sf)

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3 years ago
How many significant figures are in the number 20300?​
arlik [135]

Answer:

There are three significant figures in the number 20300

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3 years ago
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