Finish Manufacutrers bottle hydrogen peroxide in dark bottles to prevent the following reaction 2H2O2 + light > O2 + 2H2O This is an example of which type of reaction?

Gunpowder residue is most likely to show up where on a shooters hands

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?