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Chem Worksheet
Stoichiometry Calculation Practice Worksheet
1.
Calculate the number of moles of NaOH that are needed to react with 500.0 ...
Chem Worksheet
Stoichiometry Calculation Practice Worksheet
1.
Calculate the number of moles of NaOH that are needed to react with 500.0 g of
H2SO4 according to the following equation:
H2SO4 (aq)+ 2NaOH ® Na2SO4 + 2H2O
2.
Calculate the mass of NH3 that can be produced from the reaction of 125 g of NCl3 according to the following equation:
NCl3 + 3H2O ® NH3 + 3HOCl
3.
What mass of CO2 can be produced from the reaction of 25.0 g of C3H8
with 75.0 g of O2 according to the following equation:
C3H8 + 5O2 ® 3CO2 + 4H2O
4.
How many grams of SO2 are produced when 152 g of CS2 react with 48.0 g of O2
according to the following equation:
CS2 + 3O2 ®CO2 + 2SO2
5.
When 50.0 g of MgCO3 react completely with H3PO4, as shown below,
15.8 g of CO2 are produced.
What is the percent yield for this reaction?
2 H3PO4 + 3MgCO3 ® Mg3(PO4)2 + 3 CO2 + 3H2O
Use dimensional analysis (the “factor-label” method) to solve the following problems. Show all steps needed to convert from starting units to ending units. Indicate all relationships needed before setting up and solving the problem. Use any of the following relationships if needed: 1 mile = 1760 yds, 16 oz = 1 lb 1 L = 1.057 qts ,1 day = 24 hours ,1 yd = 3 ft, 2000 lbs = 1 ton, 4 qts = 1 gal, 1 hour = 60 mins, 1 ft = 12 in 1 oz = 28.35 g, 32 oz = 1 qt 1, min = 60 secs ,1 mile = 1.6093 km, 1 kg = 2.205 lbs, 1 qt = 2 pts
A runner competed in a 5-mile run. How many yards did she run?
In the Tour de France, cyclists ride 3,653.6 km in 20 days. How many miles do they go? [Hint: watch for unimportant information!]
After a nice meal, perhaps you’d finish it off with a pound (1.00 lb) cake for dessert. What would the name of this cake be in grams?
In the US milk is sold by the gallon, while in Denmark it is sold by the liter. How many liters of milk would you need to equal one gallon?
If you go to school for 180 days each school year and each school day is 7 hours long, how many hours are spent in school in one school year?
Metric Measurement Conversion Instructions: Use the prefix conversion chart on page 2 of your reference packet to complete the following metric equalities. kg = g , cm = m, mm = m, ms = s , km = m cL = L , mg = g, kL = L , mg = g , mL = L , Mg = g
Use the prefix conversions chart and dimensional analysis (don’t simply “move the decimal point”) to convert the measurements below as indicated. You can use scientific notation for very large or small numbers.
1) 40 mL to L
2) 5400 L to kL
3) 85 g to kg
4) 52 mg to g
5) 6300 m to km
6) 2.50 kg to g
7) 18,600 g to kg
8) 544 mL to L
9) 1.92 L to mL
10) 425 cm to m
11) 7870 mL to L
12) 6.42 m to mm
13) 1850 cm to m
14) 11.4 km to m
15) 3 m to mm
16) 25 Mg to g
17) 74 cm to mm*
18) 835 mg to kg* *
two-step conversions
Give the answer to the correct digits and units:
(1.2336-2.3666)X(14.23*15.6)
(56.998+14.002)
Convert 14.78 ft to miles
Calculate: 33g *14.22grams=
Add: 12g+ 13.25mg +14.2lbs= answer in grams
56g+16.6669g+14.3339g=
The speed of light is 2.999 X 10^8 meters/ sec, calculate how many milisec it takes to travel 1569.33miles.
If you need a drug dose at 1.36mg/kg body mass, and your weight is 210.15lbs: how much drug ( in lbs) do you need?
If you need a drug dose at 1.36mg/kg body mass (drug density is 1.15g/mL), and your weight is 210.15lbs: how much drug ( in mL) do you need?
If your car gets 19.09 mpg (miles/ gal), and you drive 100kph (kilometers/ hr) for 2165 km and gas cost $ 5.75/L- how much in dollars di9d it cost to drive?
WCU Reemergence of Malaria in The United States Discussion
Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) i ...
WCU Reemergence of Malaria in The United States Discussion
Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) increased travel of individuals from endemic regions to the United States, (c) increased immigration of individuals from endemic regions to the United States, and (d) laws protecting wetlands.
PHYS 1403 CTC Orbits and Gravity Research Paper
Using the Chapter learning objectives for Chapter 3, discuss three learning objectives for Chapter 3.Chapter 3: Orbits and ...
PHYS 1403 CTC Orbits and Gravity Research Paper
Using the Chapter learning objectives for Chapter 3, discuss three learning objectives for Chapter 3.Chapter 3: Orbits and Gravity 1 Describe how Tycho Brahe and Johannes Kepler contributed to our understanding of how planets move around the Sun. 2 Explain Kepler’s three laws of planetary motion. 3 Describe Newton’s three laws of motion. 4 Explain how Newton’s three laws of motion relate to momentum. 5 Define mass, volume, and density and how they differ. 6 Define angular momentum. 7 Explain what determines the strength of gravity. 8 Describe how Newton’s universal law of gravitation extends our understanding of Kepler’s laws. 9 Compare the orbital characteristics of the planets in the solar system. 10 Compare the orbital characteristics of asteroids and comets in the solar system. 11 Explain the following: a how an object (such as a satellite) can be put into orbit around Earth. b how an object (such as a planetary probe) can escape from orbit. c how the gravitational interactions of many bodies can causes perturbations in their motions.d how the planet Neptune was discovered.-Link to bookhttps://openstax.org/books/astronomy/pages/3-think...
BIO 120 Grossmont College Natural Ecosystems Energy & Nutrients Questions
I have this study exam review lecture it only one hour, i need to answer all the question from the lecture no google searc ...
BIO 120 Grossmont College Natural Ecosystems Energy & Nutrients Questions
I have this study exam review lecture it only one hour, i need to answer all the question from the lecture no google search because the prof answer most of the the question and he will checked if this from google or from his words . SO, you have to watch this review lecture and answer the questions based on what the professor said in the lecture. all answers should be clear. should answer each question separately and complete the answer.NO internet research needed please.
c
1. What is the Law that requires the continued need to bring energy into an ecosystem?
2. On average how much energy is passed on from one level in a trophic structure to the next? How does eating meat impact your biological footprint given this information?
3. Which terrestrial and which aquatic ecosystems are the most productive when measuring within a square meter in a year?
4. In modern societies, what is the pathway of nutrients starting on a farm and what happens to those nutrients, in most cases, as they go through the average consumer process? How do most farmers maintain their nutrients on their farms?
Population
1) What are the major differences between Density dependent and density-independent factors?
2) What are some of the ways age structure information is used in the modern world?
3) What is the concept behind an ecological footprint? Why is understanding ecological footprint and ecological capacity important?
4) How does the delay in when you have children, impact population growth?
5)The big picture begins with the modern definition of evolution and what genes do. How do you unite these two concepts?
6)What evidence do we have that evolution has occurred?
7)What are the mechanism that drive evolution? How does each one make evolution possible?
https://cccconfer.zoom.us/rec/play/6MZ7Ie-u_z03HtXEsgSDVvV-W47rKKishCca-qdfmRvjVXlSZgKiMrAWMeEbAyUhJGfrwNzwrZk7OEjZ?continueMode=true&_x_zm_rtaid=v17qkxA-QuKfduhv_0Uveg.1590358347369.07839356e6758031e63be0452df776db&_x_zm_rhtaid=296
1 page
Answer Crispr Cas 9
• Homologous recombination is a mechanism of repairing double stranded breaks in DNA by replacing the broken section of ...
Answer Crispr Cas 9
• Homologous recombination is a mechanism of repairing double stranded breaks in DNA by replacing the broken section of the DNA. In homologous ...
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Most Popular Content
Chem Worksheet
Stoichiometry Calculation Practice Worksheet
1.
Calculate the number of moles of NaOH that are needed to react with 500.0 ...
Chem Worksheet
Stoichiometry Calculation Practice Worksheet
1.
Calculate the number of moles of NaOH that are needed to react with 500.0 g of
H2SO4 according to the following equation:
H2SO4 (aq)+ 2NaOH ® Na2SO4 + 2H2O
2.
Calculate the mass of NH3 that can be produced from the reaction of 125 g of NCl3 according to the following equation:
NCl3 + 3H2O ® NH3 + 3HOCl
3.
What mass of CO2 can be produced from the reaction of 25.0 g of C3H8
with 75.0 g of O2 according to the following equation:
C3H8 + 5O2 ® 3CO2 + 4H2O
4.
How many grams of SO2 are produced when 152 g of CS2 react with 48.0 g of O2
according to the following equation:
CS2 + 3O2 ®CO2 + 2SO2
5.
When 50.0 g of MgCO3 react completely with H3PO4, as shown below,
15.8 g of CO2 are produced.
What is the percent yield for this reaction?
2 H3PO4 + 3MgCO3 ® Mg3(PO4)2 + 3 CO2 + 3H2O
Use dimensional analysis (the “factor-label” method) to solve the following problems. Show all steps needed to convert from starting units to ending units. Indicate all relationships needed before setting up and solving the problem. Use any of the following relationships if needed: 1 mile = 1760 yds, 16 oz = 1 lb 1 L = 1.057 qts ,1 day = 24 hours ,1 yd = 3 ft, 2000 lbs = 1 ton, 4 qts = 1 gal, 1 hour = 60 mins, 1 ft = 12 in 1 oz = 28.35 g, 32 oz = 1 qt 1, min = 60 secs ,1 mile = 1.6093 km, 1 kg = 2.205 lbs, 1 qt = 2 pts
A runner competed in a 5-mile run. How many yards did she run?
In the Tour de France, cyclists ride 3,653.6 km in 20 days. How many miles do they go? [Hint: watch for unimportant information!]
After a nice meal, perhaps you’d finish it off with a pound (1.00 lb) cake for dessert. What would the name of this cake be in grams?
In the US milk is sold by the gallon, while in Denmark it is sold by the liter. How many liters of milk would you need to equal one gallon?
If you go to school for 180 days each school year and each school day is 7 hours long, how many hours are spent in school in one school year?
Metric Measurement Conversion Instructions: Use the prefix conversion chart on page 2 of your reference packet to complete the following metric equalities. kg = g , cm = m, mm = m, ms = s , km = m cL = L , mg = g, kL = L , mg = g , mL = L , Mg = g
Use the prefix conversions chart and dimensional analysis (don’t simply “move the decimal point”) to convert the measurements below as indicated. You can use scientific notation for very large or small numbers.
1) 40 mL to L
2) 5400 L to kL
3) 85 g to kg
4) 52 mg to g
5) 6300 m to km
6) 2.50 kg to g
7) 18,600 g to kg
8) 544 mL to L
9) 1.92 L to mL
10) 425 cm to m
11) 7870 mL to L
12) 6.42 m to mm
13) 1850 cm to m
14) 11.4 km to m
15) 3 m to mm
16) 25 Mg to g
17) 74 cm to mm*
18) 835 mg to kg* *
two-step conversions
Give the answer to the correct digits and units:
(1.2336-2.3666)X(14.23*15.6)
(56.998+14.002)
Convert 14.78 ft to miles
Calculate: 33g *14.22grams=
Add: 12g+ 13.25mg +14.2lbs= answer in grams
56g+16.6669g+14.3339g=
The speed of light is 2.999 X 10^8 meters/ sec, calculate how many milisec it takes to travel 1569.33miles.
If you need a drug dose at 1.36mg/kg body mass, and your weight is 210.15lbs: how much drug ( in lbs) do you need?
If you need a drug dose at 1.36mg/kg body mass (drug density is 1.15g/mL), and your weight is 210.15lbs: how much drug ( in mL) do you need?
If your car gets 19.09 mpg (miles/ gal), and you drive 100kph (kilometers/ hr) for 2165 km and gas cost $ 5.75/L- how much in dollars di9d it cost to drive?
WCU Reemergence of Malaria in The United States Discussion
Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) i ...
WCU Reemergence of Malaria in The United States Discussion
Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) increased travel of individuals from endemic regions to the United States, (c) increased immigration of individuals from endemic regions to the United States, and (d) laws protecting wetlands.
PHYS 1403 CTC Orbits and Gravity Research Paper
Using the Chapter learning objectives for Chapter 3, discuss three learning objectives for Chapter 3.Chapter 3: Orbits and ...
PHYS 1403 CTC Orbits and Gravity Research Paper
Using the Chapter learning objectives for Chapter 3, discuss three learning objectives for Chapter 3.Chapter 3: Orbits and Gravity 1 Describe how Tycho Brahe and Johannes Kepler contributed to our understanding of how planets move around the Sun. 2 Explain Kepler’s three laws of planetary motion. 3 Describe Newton’s three laws of motion. 4 Explain how Newton’s three laws of motion relate to momentum. 5 Define mass, volume, and density and how they differ. 6 Define angular momentum. 7 Explain what determines the strength of gravity. 8 Describe how Newton’s universal law of gravitation extends our understanding of Kepler’s laws. 9 Compare the orbital characteristics of the planets in the solar system. 10 Compare the orbital characteristics of asteroids and comets in the solar system. 11 Explain the following: a how an object (such as a satellite) can be put into orbit around Earth. b how an object (such as a planetary probe) can escape from orbit. c how the gravitational interactions of many bodies can causes perturbations in their motions.d how the planet Neptune was discovered.-Link to bookhttps://openstax.org/books/astronomy/pages/3-think...
BIO 120 Grossmont College Natural Ecosystems Energy & Nutrients Questions
I have this study exam review lecture it only one hour, i need to answer all the question from the lecture no google searc ...
BIO 120 Grossmont College Natural Ecosystems Energy & Nutrients Questions
I have this study exam review lecture it only one hour, i need to answer all the question from the lecture no google search because the prof answer most of the the question and he will checked if this from google or from his words . SO, you have to watch this review lecture and answer the questions based on what the professor said in the lecture. all answers should be clear. should answer each question separately and complete the answer.NO internet research needed please.
c
1. What is the Law that requires the continued need to bring energy into an ecosystem?
2. On average how much energy is passed on from one level in a trophic structure to the next? How does eating meat impact your biological footprint given this information?
3. Which terrestrial and which aquatic ecosystems are the most productive when measuring within a square meter in a year?
4. In modern societies, what is the pathway of nutrients starting on a farm and what happens to those nutrients, in most cases, as they go through the average consumer process? How do most farmers maintain their nutrients on their farms?
Population
1) What are the major differences between Density dependent and density-independent factors?
2) What are some of the ways age structure information is used in the modern world?
3) What is the concept behind an ecological footprint? Why is understanding ecological footprint and ecological capacity important?
4) How does the delay in when you have children, impact population growth?
5)The big picture begins with the modern definition of evolution and what genes do. How do you unite these two concepts?
6)What evidence do we have that evolution has occurred?
7)What are the mechanism that drive evolution? How does each one make evolution possible?
https://cccconfer.zoom.us/rec/play/6MZ7Ie-u_z03HtXEsgSDVvV-W47rKKishCca-qdfmRvjVXlSZgKiMrAWMeEbAyUhJGfrwNzwrZk7OEjZ?continueMode=true&_x_zm_rtaid=v17qkxA-QuKfduhv_0Uveg.1590358347369.07839356e6758031e63be0452df776db&_x_zm_rhtaid=296
1 page
Answer Crispr Cas 9
• Homologous recombination is a mechanism of repairing double stranded breaks in DNA by replacing the broken section of ...
Answer Crispr Cas 9
• Homologous recombination is a mechanism of repairing double stranded breaks in DNA by replacing the broken section of the DNA. In homologous ...
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