For 30 points and brainliest to the best correct answer Balance the following equations, show your work:

1. Al + O2 --> Al2O3

2. C3H8 + O2 --> CO2 + H2O

3. Al(NO3)3 + NaOH --> Al(OH)3 + NaNO3

At element makes up all organic compounds?

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a

Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb