Michael observes that bromothymol blue turns blue when added to a solution. His observation tells us that for this compound: a. The pH of the solution is equal to 7
b. The pH of the solution is above 7
c. The pH of the solution is below 7
d. The pH of the solution is 11
e. There is not enough information given to draw a conclusion

Which is correct?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

What element has similar physical and chemical properties as boron.