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Chemistry

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Giovanny Medhurst

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Cards in this guide (9)
Which type of graph uses wedges to show the parts of the data represented

Pie chart, Pie graph

What term is used to describe splitting a large atomic nucleus into two smaller ones

nuclear fission

What kind of chemical reaction is shown mg 2 h ci mgci2 h2

A single replacement reaction is shown.

What is the process called by which scientists check their work

Peer review

How do you find out the direction of angular accelaration

The direction of angular acceleration comes from whether the angular speed of the object is clockwise or counterclockwise and whether it is speeding up or slowing down.

  • The direction of the angular acceleration will be positive if the angular velocity is counterclockwise and the object's rotation is speeding up or if the angular velocity is clockwise and the object's rotation is slowing down
  • The direction of the angular acceleration will be negative if the angular velocity is clockwise and the object's rotation is speeding up or if the angular velocity is counterclockwise and the object's rotation is slowing down
  • The angular acceleration will not have a direction if the object's angular velocity is constant
What are the differences between atomic number and atomic mass

Atomic mass is the mass of an atom in atomic mass units, and includes protons, neutrons, and electrons; and atomic number is the number of protons in the nucleus of the atom.

What is a force that opposes motion between two surfaces that are in contact .

friction

What effect does the concentration of reactants have on the the rate of a reaction

The rate of a chemical reaction increase with the concentration of reactants.

Which of these is a true statement about projectiles

projectiles can be fin or spin stabilized

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