Chemistry » Page 31

Chemistry

Emilio Ortiz

A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.

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Chemistry

Camille Banks

What properties of matter are intensive independent of their size

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Chemistry

Guest

What is the density of an object having a mass of 8.0g and a volume of 25cm3

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Chemistry

Kody

What is a Cilla? (In drawing)

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Chemistry

Quinn Black

Which term names the group of organisms able to interbreed and produce fertile offspring?

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Chemistry

Ahmad Lara

A sample of a compound contains 32.0 g C and 8.0 g H. Its molar mass is 30.0 g/mol. What is the compound's molecular formula

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Chemistry

Delaney Vasquez

What is the molecular formula of the compound CH2 with molar mass = 42.0 g/mol?

C4H8

C3H6

C2H4

C2H18

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Chemistry

Urijah Best

A gas has a volume of 27.5 L at 302 K and 1.40 atm. How many moles are in the sample of gas?

A. 0.0401 mol

B. 0.645 mol

C. 1.55 mol

D. 2.14 mol

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Chemistry

Roselyn Larson

Why does the body of the bird covered with feathers?

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Chemistry

Stephen Buck

One molecule of caffeine contains 8 atoms of carbon, 10 atoms of hydrogen, 2 atoms of oxygen, 4 atoms of nitrogen. write the formula for caffeine with the elements in the order they are given.

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Chemistry

Sammy Schneider

A piece of magnesium metal is heated in the presence of chlorine gas, and a reaction takes place. What compound will most likely

be produced?

A. Mg2C1

B. MgCl3

C. MgCl2

D. MgCI

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Chemistry

Figaro

What is the pressure of the gas in this mercury manometer if h = 81 mm and atmospheric pressure is 749 mmHg

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Chemistry

Collin Hampton

A microscope containing two or more lenses is an

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Chemistry

Barbara Reid

What word means the remains or imprint of once living organisms found in layer of rock

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Chemistry

Leland Mathews

A balance chemical reaction obeys the law of

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