1. A naturally occuring element consists of two isotopes. Calculate the percent abundances for the two isotopes, if it's average atomic mass is 107.87. Isotope 1: 106.91amu; Isotope 2: 108.90amu

2. Write the balanced chemical equation for the following unbalanced chemical reaction: C3H8 + O2 ---> CO2 + H2O. How do I figure this out?

3. Acceleration die to gravity of a free-falling object is 9.8 m/s2. Express this in mm/ms2. Answer is 9.8 x 10^-3, but not sure how to get that.

4. Specific gravity of concentrated sulfuric at 25 °C is 1.84. If density of water at 25 °C is 0.995g/mL, what is the density of concentrated sulfuric acid at the same temperature? I thought the answer was 1.85g/mL but that is incorrect. The correct answer is 1.83g/mL but I'm not sure how to get this answer.

Select whether a chi-square test for association is the most appropriate for the following scenarios: Most appropriate or Not appropriate

a) Emma wishes to know whether gender has any relation with whether one prefers wine, beer, or liqueur. She surveys a group of men and women and records the number of participants who prefer wine, the number who prefer beer and the number who prefer liqueur. (yes or no)

b) Danielle surveys a group of people on how often they eat dinner at restaurants and diners. The age and annual income of each participant are recorded. Danielle is interested in knowing whether these two factors are important in determining how often one goes out for dinner. (yes or no)

c) A study intends to determine whether the average annual interest rate has any relation with the number of households who go overseas on a holiday at least once a year. Heidi collects data on the average annual interest rate and the number of households that travelled overseas at least once in that year over 6 years. (yes or no)

d) It has been proposed that one's education level has a strong relation with one's income level. Barbara collects data from a large group of 38 year-old adults about their education level (primary and lower, secondary, tertiary and higher) and their income level (to the nearest $100). Barbara plans to test this data to see whether the mean income in each education level is the same across all three levels. (yes or no)

Which of the following substances would you predict to be a) most ionic, b) most covalent, and c) most metallic?

Answer choice #1: a) NaF b) CCl4 (c) Rb

Answer choice #2: a) AlCl3 b) SiCl4 (c) Mg

Answer choice #3: a) MgO b) PF5 (c) K

Intangibles can be one of the most important yet most undervalued assets on a company balance sheet (if recorded at all).

Pick a company that has an intangible asset (recorded or not) - tell us what it is, how it's beneficial to the company and how it was developed or purchased.

2. Liquidity ratios

Most firms borrow money to finance some of their assets, and most will choose to borrow some long-term funds and some short-term funds. Which group of lenders would put greater emphasis on a firm’s liquidity ratio when evaluating a potential borrower?

Short-term lenders

Long-term lenders

The most recent data from the annual balance sheets of Free Spirit Industries Inc. and LeBron Sports Equipment Inc. are as follows:

Balance Sheet December 31stst(Millions of dollars)

Free Spirit Industries Inc.’s quick ratio is   , and its current ratio is   ; LeBron Sports Equipment Inc.’s quick ratio is   , and its current ratio is   .

Which of the following statements are true? Check all that apply.

Free Spirit Industries Inc. has less liquidity but also a greater reliance on outside cash flow to finance its short-term obligations than LeBron Sports Equipment Inc..

A current ratio of 1 indicates that the book value of the company’s current assets is equal to the book value of its current liabilities.

If a company has a quick ratio of less than 1 but a current ratio of more than 1 and if the difference between the two ratios is large, then the company depends heavily on the sale of its inventory to meet its short-term obligations.

Free Spirit Industries Inc. has a better ability to meet its short-term liabilities than LeBron Sports Equipment Inc.

An increase in the current ratio over time always means that the company’s liquidity position is improving.

2. Liquidity ratios

Most firms borrow money to finance some of their assets, and most will choose to borrow some long-term funds and some short-term funds. Which group of lenders would put greater emphasis on a firm’s liquidity ratio when evaluating a potential borrower?

Short-term lenders

Long-term lenders

The most recent data from the annual balance sheets of Free Spirit Industries Inc. and LeBron Sports Equipment Inc. are as follows:

Balance Sheet December 31stst(Millions of dollars)

Free Spirit Industries Inc.’s quick ratio is   , and its current ratio is   ; LeBron Sports Equipment Inc.’s quick ratio is   , and its current ratio is   .

Which of the following statements are true? Check all that apply.

Free Spirit Industries Inc. has less liquidity but also a greater reliance on outside cash flow to finance its short-term obligations than LeBron Sports Equipment Inc..

A current ratio of 1 indicates that the book value of the company’s current assets is equal to the book value of its current liabilities.

If a company has a quick ratio of less than 1 but a current ratio of more than 1 and if the difference between the two ratios is large, then the company depends heavily on the sale of its inventory to meet its short-term obligations.

Free Spirit Industries Inc. has a better ability to meet its short-term liabilities than LeBron Sports Equipment Inc.

An increase in the current ratio over time always means that the company’s liquidity position is improving.

Due to the most recent Subprime mortgage crisis, most of the banks are uncertain about deposit outflows. Given everything else unchanged, how does this affect money supply in the economy? Explain. (10 points)

What are most important lipids, carbohydrate, or protein? Which is most important for our health and why? Can we live a productive life if we drop lipids, carbohydrates, or protein from lives?

Please be as detailed as possible. DON'T use older answers on chegg, because they are not accurate. If you going to write it, please be neat. Thank you!

Most RNA viruses are single stranded and replicate in the cytoplasm while most DNA viruses are double stranded and replicate in the nucleus. Briefly explain why this makes sense for each of these 4 characteritics (4 points). Each of the following viruses breaks one of these (e.g. might be double stranded RNA virus). For each of these viruses say which of these it breaks (4points). Bonus points. Describe the major pathology for Molluscipox virus and B19 Parvovirus (2points). Rotavirus, Molluscipox virus, Influenza B virus, and B19 Parvovirus