3 years ago

Which measurement is a vector?

1 answer:

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To measure a vector is to characterize both its direction (in one form or another) and a value (usually, a number). For example, velocity of a car moving on the road is a vector and, to measure it, we have to specify its direction (e.g. North or at angle 20 degrees from the North) and value (e.g. 40 m/sec).

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What is the polarity of black pepper

leva [86]

Answer:

Polarity in chemistry referred to physical properties of compounds related to solubility, melting and boiling properties.

Polarity of black pepper can be seen when black pepper is sprinkled on water. The balck pepper float on water and get displaced if touched.

It means black pepper is non-polar and have no difference in electronegativity between bonded atoms. Black pepper is so light in weight and non-polar, the surface tension of water keep it floating in the water.

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3 years ago

A type of steel made from copper-alloyed steel that protects itself from corrosion is _______________ steel.

never [62]

Weathering steel or another name for it is cortensteel.

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3 years ago

C3H8 + 5O2 3CO2 + 4H2O

ZanzabumX [31]

Answer:

Explanation: 5 moles of Oxygen + 3moles of Oxygen from Carbondioxide + 2 moles of Oxygen from water

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