What are index fossils used to determine? the age of the other fossils in the rock layer the age of the surrounding rock layer the minerals within fossils in the rock layer the minerals within the surrounding rock layer

In the laboratory you are asked to make a 0.114 m ammonium sulfide solution using 255 grams of water. How many grams of ammonium sulfide should you add? grams.

Given the double displacement reaction below, which of the products would be soluble in water and which would likely form a solid precipitate? how do you know? (lesson 12) 2 agno3 (aq) + k2co3 (aq) ? ag2co3 + kno3

Write a balanced equation for the reaction between sulphuric acid and potassium hydroxide

How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by mass solution? Show all of the work needed to solve this problem.

To begin the experiment, 1.11g of methane CH4 is burned in a bomb calorimeter containing 1000 grams of water. The initial temperature of water is 24.85oC. The specific heat of water is 4.184 J/g oC. The heat capacity of the calorimeter is 695 J / oC.

Which is most likely why many scientists reject the cold fusion theory?

Sentences with the words kinetic energy of matter and temperature

Which of these describes chemical reaction The color of he substance

Use the information in the table below to answer the following question: Lake Volume Buffer (CaCO3) Concentration Squirrel Lake, 80,000 Liters, 2 mg/L Moose Lake, 100,000 Liters, 1.

Which of the following is a part of a land based carbon cycle? coral reefs Crab shells Trees Whales