Find the density of the rock

Reference no: EM13772741

37. A container of mass 25.00 g is found to have a total mass of 45.22 g when a sample of potassium nitrate is added. Determine the number of moles of potassium nitrate added to the container.

38. A rock is found to have a mass of 33.8 g. When placed in a graduated cylinder containing 40.0 mL of water, the level of the water is observed to rise to 43.6 mL. Find the density of the rock.

39. What are the steps for obtaining the mass of an object using a balance?

40. What are the steps for obtaining a desired mass (e.g., 10.00 g) of a substance using a balance?

41. Calculate the number of molecules o hydrogen there are in 10.0 g H2.

Reference no: EM13772741

Questions Cloud

Calculate deadweight loss created by imposition of tax : Consider a market with a demand curve of P=10-Q and a supply curve of P=Q. Before the imposition of a tax, equilibrium quantity is 5, and equilibrium price is $5 (verify this). If a tax of $5 per unit is placed on this market, quantity traded falls t..

Write a spoken word which plays with repititon and rhyme : Write a spoken word (poetry form) which plays with repititon and rhyme. Please use nature, dream, or family as the topic. By the way, please do not use too complicated words.

What corporate social responsibility means : Definition of what corporate social responsibility means to you - Arguments supporting social responsibility and description of a real-life example of a specific corporation acting in a socially responsible manner

Defend how the first and fourth amendments apply : Respond to other students' posts, by addressing the following: Defend how the First and Fourth Amendments apply or do not apply to the email in this case. What other aspects could be misinterpreted based on current technologies

Find the density of the rock : 37. A container of mass 25.00 g is found to have a total mass of 45.22 g when a sample of potassium nitrate is added. Determine the number of moles of potassium nitrate added to the container.38. A rock is found to have a mass of 33.8 g. When placed ..

Write paper about rebutting the justices concerns : Write a 700- to 1,050-word paper rebutting the justice's concerns about the competencies of human service workers. Provide quality supporting sources to illustrate the value that human service workers provide the criminal justice system

Examine the quality of odysseus leadership : Examine the quality of Odysseus' leadership. As a first step, reflect on your definition of leadership. Are some people born leaders while the rest of us are destined to be followers?

What is the molecular formula for butane : 1. Quantitative analysis of a 5.00-g sample of a gaseous compound yielded the following results: 2.00 g sulfur and 3.00 g oxygen. What is the empirical formula of the compound?2. What is the molecular formula for butane if it has an empirical formula..

Non-investment grade bonds with maturities : The objective of the managers of the Blackrock Small Cap Growth Equity Fund is to invest in common stock that pays a dividend yield that is higher than the 30 year yield on BB rated corporate bonds. True False

User Account

All Pages