Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Commonly Missed 3

How many molecules are there in 200g of CO2? 2.74 × 10^24
In a binary compound there are 2 elements bonded together
A chemical formula includes the symbols of the elements in the compound and subscript that indicate How many atoms/ions of each type are combined in the simplest unit
Name the compound Cu(CO3) Copper(II) Carbonate
The empirical formula for a compound shows the symbols of the elements with subscript indicating Smallest whole number ratio of the atoms
What is the empirical formula for a compound that is 53.3% O and 46.7% Si? SiO2
What is the balanced equation when aluminum (3+) reacts with Copper (II) Sulfate 2Al+3CuSO4➡️Al2(SO4)3+3Cu
Identify the error in Mg(NO3)+2K(OH)➡️Mg(OH)2+2K(NO3) Mg(NO3)
In writing an equation that produces hydrogen gas, the correct representation of Hydrogen gas is H2
In a double-replacement reaction, hydrogen chloride and sodium hydroxide react to produce Sodium Chloride. Another product is Water
When the equation Fe3O4+Al➡️Al203+Fe is correctly balanced, what is the coefficient of Fe? 9
Copper(II) Oxode and Hydrogen react to form Copper metal and water CuO+H2(g)➡️Cu(s)+H2O(L) Single Displacement
What is the study of the mass relationship among reactants and products in a chemical reaction? Reaction Stoichiometry
Molar mass is The mass of one mole of one substance
Created by: Wallaby