What is the value of M2? Hint: enter your answer without a $ sign in terms of billions of dollars Example: if the answer is $2,000 billion, enter 2,000

The weakest type of intermolecular force is the:

Why did it take so long to discover Pluto?

We take this 250.0 mL of 0.500 M solution and dilute it to a final volume of 1.00 L. What’s the new concentration? Enter numerical value only in decimal notation.Question from student’s DB posts

One of the most impressive features of the geology of Mars is and uplifted area about the size of north America, with volcanoes on it, which is called the

the largest moon in the solar system is:

Which of the following is the most abundant gas in the Earth’s atmosphere?

A student is confused about buffer solutions (what they are, what kind of acids and bases are used to make buffer, how buffers work, and what are buffer limitations). Please provide student with an explanations as well as example of a buffer solution.

Write and balance: Lead (III) and Oxygen yield Lead (III) oxide

2.70 kg of ethanol at room temperature is mixed with 1.30 kg of water. The initial water temperature was 41°F and the final temperature of the mixture is 46°F. The specific heat of the solution is 1.00 cal / (g * °C). Calculate the quantity of energy (Q) in kcal involved in the process.This is question from student DB posts.