Balance

Define the term 'balanced diet'.

• A diet containing SOME nutrients in the correct proportions.

• A diet containing MOST nutrients in the correct proportions.

• A diet containing LEAST nutrients in the correct proportions.

• A diet containing ALL nutrients in the correct proportions.

It helps us to grow. It is in meat, milk and nuts.

• carbohydrates

• fats

• protein

• fibre

Balance this equation:

H2 + Cl2 ---> HCl

• It is balanced.

• H2 + Cl2 ---> 2HCl

• 3H2 + Cl2 ---> 6HCl

• H2 + 3Cl2 ---> 6HCl

Tags

NGSS.MS-PS1-5

Is the following equation balanced?

Al + O2 ---> 2Al2O3

• Yes

• No

Tags

NGSS.MS-PS1-5

Why is the following chemical equation not balanced?
H_{2 +} O₂ --> H₂O

• each side of the equation has a different number of oxygen atoms

• each side of the equation has a different number of hydrogen atoms

• each side has the same mass

Tags

NGSS.MS-PS1-5

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

• 2

• 6

• 1

• 4

Tags

NGSS.MS-PS1-1

The small numbers in a chemical formula:

(the BLUE numbers)

• Subscripts

• Coefficients

• Numbers

• Molecules

What is the name of this metric tool?

• Triple Beam Balance

• Graduated Cylinder

• Massometer

What is the value on the balance?

• 240.0 g

• 142.0 g

• 100.4 g

What is the value on the balance?

• 444.0 g

• 144 g

• 140.1 g