What type of star has an absolute brightness of 1 and a surface temperature around 7,500 ∞C

Supergiant

Giant

Main sequence

Dwarf

The way an experiment is carried out is not important is determined by the purpose is unrelated to the hypothesis is determined by the conclusion

What is the mass of a 1.68-l sample of a liquid that has a density of 0.921g/ml?

Subject verb agreement

What is the mass of one mole of H

When aluminum oxide reacts with hydrofluoric acid, how many moles of aluminum fluoride are produced when 150 grams of aluminum oxide are used?

Identify the Lewis acid in this balanced equation: Central N is bonded above, left, and below to C H 3 and has 2 electron dots to the right. Plus. B is bonded above, below left, and below right to H. right arrow.

Brainliest if answered in the next 5 minutes. Identify the balanced combination equation. Cl2O5 + H2O ⟶ 2HClO3 2Fe (OH) 3 ⟶ Fe2O3 + 3H2O Cl2O5 + 3H2O ⟶ HClO3 2Fe (OH) 3 ⟶ 2FeO3 + 3H2O

An unknown substance can be identified by its mass. a flame test its density B and C

If we have 22 molecules of sodium sulfate in water, how many sodium ions will be observed in solution?

Sodiun atom, potassium atom, and cesium atoms have the same?