Cards in this guide (19)
On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph
Acid is correctly diluted with water by this method
To heat fluid in a test tube the container should be no more than
The correct method of removing a glass stopper is to grasp it
between the secon and third finger
Which of these items should be used to heat a solid in the presence of air
a crucible with the lid slightly ajar
The most important part of heating fluid in a test tube is to
maintain a consistent temperature thoughout
Heating the liquid in a test tube
it vapourise from the test tube
If you are traveling at 750000 mms how many kmhr are you traveling
When reading the volume of fluid in a graduated cylinder the eye should be
Level with the bottom of the fluid's meniscus
Consistent temperature can be achieved while heating a test tube by doing what
Consistent temperature can be achieved by heating a test tube
while moving the test tube all around the flame. Do not let only
one part of the test tube rest on a flame but instead, keep moving
the test tube slowly.
A space probe has returned samples to earth of crystals found on a distant planet In studying these crystals scientist discovered that a 0994g sample will absorb 2027 J heat when the temperature
How many significant digits are in the number 85000
A 050g ball of aluminum foil absorbs 1.42j heat when it is heated 31.6c what is the specific heat of aluminum foil
Which of these measurements has 2 significant digits 50.4 g
50.4 has three significant digits.
How many seconds are in there in one week
There is 604,800 seconds in one week
How many significant digits are in 1.076000
This number has seven significant digits.
How many significant digits in the number 456
What type of balance is illustrated here Asymmetrical balance Symmetrical balance Radial balance
The main reason for learning to correctly pour fluids in a laboratory is to conserve costly chemicals true or fasle