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kirza4 [7]
3 years ago
10

Displacement is the slope of a velocity vs. time graph A. True B. False

Chemistry
1 answer:
mezya [45]3 years ago
6 0

Answer:

The given statement is false.

Explanation:

Displacement is a vector quantity which represent shortest distance form initial position to final position.

Velocity of an object is defined as ratio of displacement of object to that of the time taken by object to move from its initial position to final position.

In displacement vs time graph the slope of the graph represent the velocity. Whereas slope of velocity vs time graph gives acceleration.

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An aluminum block has a volume of 30.0 cm³ and a mass of 81 grams. What is the density of aluminum?
kupik [55]

Answer:

Density = 2.7 \ g/cm^3

Explanation:

The equation for density is:

Density = \frac{mass}{volume}

We can plug the given values into the equation:

Density = \frac{81\ g}{30.0\ cm^2}

Density = 2.7 \ g/cm^3

4 0
2 years ago
What volume will 35.9 g of hydrogen gas (H2) occupy at STP?
Nataly [62]
35.9g x 1 mol/ 2.016g x 22.4 L/ 1 mol= 398.89 L
8 0
3 years ago
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How many moles of sulfur<br> dioxide are in 2.26 x 10^33 sulfur dioxide molecules?
LUCKY_DIMON [66]

Answer:

moles = no. of molecules / Avogadro's number

         = 2.26 x 10^33 / 6.022 x 10^23

         = 3752906011

Round to significant figures which is 3 = 3.75 x 10^9 mol

Explanation: The formula for finding how many moles of a substance when given the amount of molecules is: moles = number of molecules / Avogadro's number

6 0
3 years ago
How toxic is uranium
Serhud [2]

Answer:

Inhaling large concentrations of uranium can cause lung cancer from the exposure to alpha particles. Uranium is also a toxic chemical, meaning that ingestion of uranium can cause kidney damage from its chemical properties much sooner than its radioactive properties would cause cancers of the bone or liver.

Explanation:

6 0
2 years ago
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NEED HELP FAST!!
koban [17]

Answer:

I'm pretty sure that's right.

Explanation:

Download pdf
8 0
3 years ago
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