What information could a student determine from only the chemical formula of a protein?

The number of atoms of each element in the protein

The number of molecules in each sequence of the protein

The physical arrangement of atoms in the structure of the protein

Which of the following equations are correctly balanced?

6CO 2 + 6H 2 O --> C 6 H 12 O 6 + 6O 2

12CO 2 +H 2 O --> C 6 H 12 O 6 + O 2

CO 2 + 9H 2 O --> C 6 H 12 O 6 + O 2

CO 2 + H 2 O --> 3C 6 H 12 O 6 + O 2

Balancing Chemical Equations

Quiz

•

Chemistry

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, MS-PS1-5

Standards-aligned

Mike Cashin

Used 9K+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the Law of Conservation of Mass state?

Matter cannot be gained or lost in a chemical reaction.

Matter can only be lost in a chemical reaction.

Matter can only be gained in a chemical reaction.

Matter can be gained and lost in a chemical reaction.

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

Reactants

Products

Yields

Chemical Equation

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

Reactants

Products

Yields

Chemical Equation

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the total number of atoms present in 5Na₃PO₄

5

40

55

8

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many Mn atoms are found in the following compound?
3Cr(MnO₄)₆

3

4

6

18

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the little number after an element in a chemical equation called.
Example: H₂

Coefficient

Subscript

Atom

Equation

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

Yes!

No!

Tags

NGSS.MS-PS1-5

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Balancing Chemical Equations

20 questions

What does the Law of Conservation of Mass state?

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

What is the total number of atoms present in 5Na₃PO₄

How many Mn atoms are found in the following compound?
3Cr(MnO₄)₆

What is the little number after an element in a chemical equation called.
Example: H₂

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

How many elements are in C₆H₁₂O₆?

Element or compound?
H₂O

Element or compound?
O₂

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Balancing Chemical Equations

20 questions

What does the Law of Conservation of Mass state?

What is the left part of a chemical equation called?2H2 + O2 --> 2H2O

What is the right part of a chemical equation called...2H2 + O2 --> 2H2O

What is the total number of atoms present in 5Na3PO4

How many Mn atoms are found in the following compound?3Cr(MnO4)6

What is the little number after an element in a chemical equation called.Example: H2

Is the following equation balanced?...Al + O2 --> 2Al2O3

How many elements are in C6H12O6?

Element or compound?H2O

Element or compound?O2

Create a free account and access millions of resources

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Discover more resources for Chemistry

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

What is the total number of atoms present in 5Na₃PO₄

How many Mn atoms are found in the following compound?
3Cr(MnO₄)₆

What is the little number after an element in a chemical equation called.
Example: H₂

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

How many elements are in C₆H₁₂O₆?

Element or compound?
H₂O

Element or compound?
O₂