问题 - 道道学堂问答

会计Accounting

经济Economics

金融Finance

领导力与组织管理Leadership and Organization Management

土木工程Civil Engineering

计算机类Computing

其他 All Others

The accepted caloric values for foods are 17 kJ/g for carbohydrate, 38 kJ/g. for fat, and 17 kJ/g for protein. A glazed doughnut contains 23 g of carbohydrate, 12 g of fat, and 2.5 g of protein. How many kJ of total energy does the cheeseburger contain? S

匿名用户 2021-12-01 19:31 化学类Chemistry

The accepted caloric values for foods are 17 kJ/g for carbohydrate, 38 kJ/g. for fat, and 17 kJ/g for protein. A glazed ... 查看全部

2021-12-01 19:31
0
赞同
1
回答

4. A wine contains 12% alcohol by volume. Calculate the volume (in mL) of alcohol in 350 ml of wine.

匿名用户 2021-12-01 19:31 化学类Chemistry

4. A wine contains 12% alcohol by volume. Calculate the volume (in mL) of alcohol in 350 ml of wine.

2021-12-01 19:31
0
赞同
1
回答

monium nitrate (NH.NO) is an ionic compound (i.e., a "salt) often used in cold paks. When NH.NO, solved in water, it dissociates into its constituent ions, followed by a temperature drop: NH.NO3 → NH4+ + NO3 you dissolve 32.0 g of ammonium nitrat

匿名用户 2021-12-01 19:31 化学类Chemistry

monium nitrate (NH.NO) is an ionic compound (i.e., a "salt) often used in cold paks. When NH.NO, solved in water, i... 查看全部

2021-12-01 19:31
0
赞同
1
回答

If 15 mL of a 0.1 M solution of hydrochloric acid react with 20mL of 0.5 M solution of sodium sulfide, what is the limitingreagent for the reaction? Show all work or no creditHow much sodium chloride in milligrams can be formed?How many moles of hydrogen

匿名用户 2021-12-01 19:31 化学类Chemistry

If 15 mL of a 0.1 M solution of hydrochloric acid react with 20mL of 0.5 M solution of sodium sulfide, what is the limit... 查看全部

2021-12-01 19:31
0
赞同
1
回答

1. How many hydrogen atoms are present in 2.00 x1012 grams of H2O?2. Write out the full electron configuration AND condensedelectron configuration for Selenium (Se).

匿名用户 2021-12-01 19:31 化学类Chemistry

1. How many hydrogen atoms are present in 2.00 x1012grams of H2O?2. Write out the full electron configuration AND conden... 查看全部

2021-12-01 19:31
0
赞同
1
回答

How many grams of copper(II) fluoride, CuF2, are needed to make6.7 liters of a 1.2 M solution?

匿名用户 2021-12-01 19:31 化学类Chemistry

How many grams of copper(II) fluoride, CuF2, are needed to make6.7 liters of a 1.2 M solution?

2021-12-01 19:31
0
赞同
1
回答

n= 6 Two different emission processes are shown in the energy level diagram. Which transition results in the emission of a photon with higher energy? n=4 n= 3 Energy on=6 to n=2 n= 2 on=4 to n=1 n=1 Explain how you decided which transition emits a photon

匿名用户 2021-12-01 19:31 化学类Chemistry

n= 6 Two different emission processes are shown in the energy level diagram. Which transition results in the emission of... 查看全部

2021-12-01 19:31
0
赞同
1
回答

What is the molarity of a solution with a volume of2.5 liters containing 660. g of calcium phosphate,Ca3(PO4)2 ?

匿名用户 2021-12-01 19:31 化学类Chemistry

What is themolarityof a solution with a volume of2.5 liters containing 660. g of calcium phosphate,Ca3(PO4)2?

2021-12-01 19:31
0
赞同
1
回答

ng to another question will save the response estion 10 Shown below is one of the sex placremones from the butterfly family. How many sp3 hybridized carbon atoms are present? CH OA OB 2 OC3 DE 5 Which proton is the most acidic in the compound 3 1 H DEO H

匿名用户 2021-12-01 19:31 化学类Chemistry

ng to another question will save the response estion 10 Shown below is one of the sex placremones from the butterfly fam... 查看全部

2021-12-01 19:31
0
赞同
1
回答

3. If 28.5 g of calcium hydroxide in Ca(OH)2 is dissolved in enough water to make 185 g of solution, what is the percent by mass of Ca(OH)2 in the solution

匿名用户 2021-12-01 19:31 化学类Chemistry

3. If 28.5 g of calcium hydroxide in Ca(OH)2 is dissolved in enough water to make 185 g of solution, what is the percent... 查看全部

2021-12-01 19:31
0
赞同
1
回答