Which equation best represents a Single Replacement reaction that can occur?

2Cu + FeSO4 = Fe + Cu2SO4
Ag + KNO3 = K + AgNO3
I2 + MgCl2 = Cl2 + MgI2
K + NaF = KF + 2Na

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.