Can someone help with this? Sam was given the following equation to balance: H2O → H2 + O2. She balanced it as follows: 2 HOH2 + O2. What did she do wrong? What is the correct way to balance the equation?​

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.