3 years ago

Scientists have measured a cheetah running across the savannah at 70 m/s. Which of the foolowing pieces of

Chemistry

1 answer:

CaHeK987 [17]3 years ago

7 0

Answer:

You haven't provided us with ' the following pieces of

data'

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Crank

Answer:

7276783

Explanation:

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2 years ago

Calculate a pendulums frequency (in Hz) if the pendulum completes 19 cyclesin 0.5 s.

MAVERICK [17]

1Hz = 1 cycle per second

19 cycles / .5 seconds = 38Hz

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2 years ago

Q u i c k p l e a s e What kind of reaction is represented here: H2CO3 --> H2O + CO2

snow_tiger [21]

Answer:

Decomposition

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A molecule breaks up into 2 simpler molecules

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2 years ago

What is the volume of 1.2 moles of neon gas at STP

BartSMP [9]

Answer:

26.9 L.

Explanation:

Hello there!

In this case, since the ideal gas equation is able to provide us the volume of neon in 1.2 moles by considering the STP conditions (1.00 atm and 273.15 K) via its mathematical definition:

$PV=nRT$

We first need to solve for V in the aforementioned equation:

$V=\frac{nRT}{P}$

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$V=\frac{1.2mol*0.08206\frac{atm*L}{mol*K}*273.15K}{1.00atm}\\\\V=26.9L$

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2 years ago

Explain why samples of platinum and copper can have the same extensive properties but not the same intensive properties

JulsSmile [24]

Extensive properties include mainly mass and volume. Platinum and copper can have the same extensive properties because depending on the type of sample size of each, you could get them to have the same volume and/or mass. However, since elements are given their intensive properties based on the number of protons they have, platinum and copper will never have the same intensive properties because each has a unique number of protons.

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3 years ago