Which of the following statements apply to resistors?
A. A resistor can be used to reduce current flow.
B. Resistors provide a way to accumulate charge.
C. The resistance of a resistor is measured in amperes.
D. Only one resistor can ever be used in a closed circuit

Matches the chemical name of each oxide of phosphorus to its chemical formula

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign