Asample of vinegar has a hydronium concentration of 1.6 × 10-3 m. what is the ph of the vinegar? a) 1.6 b) 2.8 c) 4.1 d) 10.3

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?