Does bleach cause a physical or chemical change

An object was measured by a worker as 17.4cm long, however, the manufacturer specifications list the length of the object at 17.9cm. What is the percent error in the workers measurements? (In chemistry)

Can we change Lead into Gold?

Which of these is a correct equation for mass? A. m = F * a B. m = F + a C. m = F : a D. m = a : F

A flask contains 0.83mol of neon gas at a temperature of 35°C. The pressure gauge indicates 0.37atm inside the flask. What is the volume of the neon gas?

When one form of energy is transformed into another no energy is destroyed in the process?

Identify the atom with a ground state electron configuration of 1s22s22p63s23p2

According to one acid-base theory, NH3 acts as a base when an NH3 molecule A) accepts an H+ion B) donates an H + ion C) accepts an OH-ion D) donates an OH - ion

How do the first ionization energies of main group elements vary across a period and down a group?

How many electrons does boron lose when forming a ion? A. 1 B. 2 C. 3 D. 4 (NOT D)

Which term best describes C2O4 2-? polyatomic anion polyatomic cation monatomic anion monatomic cation