Select all the correct answers.

Which three sources are examples of secondary sources?

GeF 3H is formed from GeH 4 and GeF 4 in the combination reaction: GeH 4 3GeF 4 4GeF 3H If the reaction yield is 92.6%, how many moles of GeF 4 are needed to produce 8.00 mol of GeF 3H

Suppose you have 100 grams of a radioisotope with a half-life of 100 years. How much of the isotope will you have after 200 years?

When comparing land and sea temperatures, the temperatures of the sea are more constant than the temperatures of the land throughout the day Which of the following explains why?

What quantity of 18.68 M KOH solution is needed to neutralize 0.2841 grams of KHP? What is the concentration of the KOH solution?

Which of the following represents an organic compound? A. CN B. CH4 C. NaCl D. H2O?

Reaction rates are affected by how often the particles collide true false

A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.

What properties of matter are intensive independent of their size

What is the density of an object having a mass of 8.0g and a volume of 25cm3

What is a Cilla? (In drawing)