Cards in this guide (14)
How many moles of NaCl are formed from the reaction between 1.4 moles of HCl and 2.8 moles NaOH
1.4 moles - the HCl is the limiting ingredient
Forces on washing machine while washing
The force of an washing machine can wash 10-15 clothes at the
same time.
How is stoichiometry used
Stoichiometry is used to find the molar ratios between the
reactants of a chemical reaction.
What is the oxidation state of s in HSO4 2-
In HSO4- sulfur's oxidation state is +5.
How are models affected by new evidence
Models are changed if they don't fit new data.
How do atoms show both unity and diversity
There are relatively few atoms, but they make many
molecules.
What gets plated during electroplating
The metal being used as the cathode
What is the voltage of a galvanic cell made with magnesium and gold
What drives a galvanic cell
A Spontaneous Redox Reaction
Similar scientific themes are seen in what areas of science
In which step of the four stroke engine cycle does the heat from the combustion reaction cause the pistons to move
Hydrogen-powered cars create less pollution than gasoline-powered cars when driven. What might be a challenge to using hydrogen as a fuel
Challenges to hydrogen as fuel include no distribution network,
ie gas stations, and fear that the car co u l d explode like the
Hindenburg.
As electrons pass through a particular device magnets begin to rotate. This rotation is then used to power devices such as ceiling fans. This is a description of what happens in a(n) .
In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made