What is the mass of an object that has a density of 3.2 g/cm3 and a volume
of 5.5 cm3? (The density of an object has the equation d =m/v.)
Answers
Answer:
The mass of an object is 17.6 grams.
Explanation:
We have,
Density of the object is 3.2 g/cm³.
Volume of the object is 5.5 cm³
It is required to find the mass of the object. The density of the object is given by the mass acting per unit its volume. It is given by :
\(\rho =\dfrac{m}{V}\)
m is the mass of an object
\(m=\rho \times V\\\\m=3.2\ g/cm^3 \times 5.5\ cm^3\\\\m=17.6\ g\)
So, the mass of an object is 17.6 grams.
Related Questions
BRAINLIEST
Now that you have done
some research, write a
hypothesis based on the
relationship between zinnias
and the sun. Write it as an
“If ________, then__________”
statement.
Answers
Answer:
If zinnias are exposed to direct sunlight for a sufficient amount of time each day, then they will grow and bloom more successfully compared to those that do not receive adequate sunlight.
Hope my answer helps you ✌️
Mark BRAINLIEST
WILL RATE BRAINLIEST!!!
When you use electricity in your home,
which resources are powering it?
Research the energy resources used
to power your state’s electrical grid
(that’s what supplies your home with
electricity). In the space below or on
a separate sheet of paper, create an
informative handout to provide to the
people of your state.
Include the following information in your handout:
• Which state do you live in?
• What is the population of your state?
• What percent of the electricity in your state comes from
nonrenewable resources?
• What percent of the electricity in your state comes from
renewable resources?
• What percent of the electricity in your state comes from
nuclear energy?
• Which renewable resource is used the most in your state?
• What is an interesting fact about energy usage in your
state?
I live in United Arab Emarates/Dubai
Answers
Powering Your Home: Understanding Energy Resources in Dubai, United Arab Emirates
Dubai, one of the seven emirates of the United Arab Emirates, is a rapidly growing city with a population of over 3.3 million people. With the increase in population and development, the demand for electricity has also risen significantly. Have you ever wondered where the electricity that powers your home comes from? In this handout, we will provide you with information about the energy resources used to power the electrical grid in Dubai.
Nonrenewable Resources:
Dubai relies heavily on nonrenewable resources such as natural gas and oil to generate electricity. As per Dubai Electricity and Water Authority (DEWA), in 2020, 94% of the electricity generated in Dubai came from natural gas and 6% from coal.
Renewable Resources:
Dubai has been working to diversify its energy mix by investing in renewable resources. According to DEWA, 6% of Dubai's electricity in 2020 was generated from renewable sources, such as solar and waste-to-energy. DEWA has set a target to increase the share of renewable energy in Dubai's energy mix to 75% by 2050.
Nuclear Energy:
Dubai is also investing in nuclear energy to diversify its energy mix. The first nuclear power plant in the UAE, the Barakah Nuclear Energy Plant, started operations in 2020. It is expected to generate 5.6 GW of electricity and will contribute to reducing carbon emissions.
Most Used Renewable Resource:
Dubai has the world's largest single-site solar energy project, the Mohammed bin Rashid Al Maktoum Solar Park. It is a key component of Dubai's clean energy strategy, and its capacity is expected to reach 5 GW by 2030. The solar park uses photovoltaic solar panels to convert sunlight into electricity.
Interesting Fact:
Dubai is home to the world's tallest building, the Burj Khalifa, which has been designed to be energy-efficient. It uses a combination of technologies such as a high-performance glass facade, an efficient air-conditioning system, and a double-decker elevator system that reduces energy consumption by 20%.
Conclusion:
Dubai's energy mix is currently dominated by nonrenewable resources, with natural gas being the primary source of electricity generation. However, the city is making significant strides to increase the share of renewable energy and diversify its energy mix. By investing in nuclear energy and the Mohammed bin Rashid Al Maktoum Solar Park, Dubai is working towards achieving its goal of becoming a sustainable city and reducing its carbon footprint.
Answer: Windmills and solar panels
Explanation: It is used by solar energy from energy and friction with the atmosphere and CO2
Someone places a spoon in hot water. The spoon remains in the water till the water becomes room temperature, what temperature is the spoon handle?
Answers
Answer: Room temperature
Explanation: it makes sense (sorry if its wrong)
HELP ME PLEASE! IF NOT THEN DON'T ANSWER PLEASE. THANK YOU!
Answers
ermm help mee how do i reply to her
Answers
Answer:
maybe just say ok and act oblivious i don't know lol
Explanation:
hey if your answering this can you just answer the number 14 I already got the rest
thanks
Answers
How are cold, dry air masses formed?
over land in polar regions
over water in tropical zones
over water in polar regions
over land in tropical areas
Answers
Explanation:
over land in polar regions
Matter is all around us and is made of atoms. How are atoms of different elements different from each other? How do these differences relate to their properties? HEYALPPP
Answers
1. What type of current can be transmitted great distances?
O alternating O direct
Answers
Answer:Answer. Explanation: Alternating Current proved to be the most effective for distance transmission because of several great properties: AC power can be easily converted from low to high voltages and back again.
Explanation:
Answer: Alternating
Explanation: Alternating current is cheaper to generate and has fewer energy losses than direct current when transmitting electricity over long distances.
Please help!!!! If something is shot straight up in the air at a speed of 70 m/s, how much time before it will hit the ground? (when I calculated it I got 14 is it right?) My following question is if the object from number 2 is shot up (70m/s) in the air how high will it get?
Answers
Answer:
poiiinnnts
Explanation:
How is the number of representatives each state has in the House determined?
Answers
Answer:
The number of representatives per state is determined by the state's population
Explanation:
Any atom which no longer has a neutral charge is called a blank
Answers
Answer:
atoms that no longer have a neutral charge are called ions!
Explanation:
when atoms gain or lose electrons, they become either negatively charged or positively charged in the process. losing electrons means the atom becomes more positive, therefore positively charged. gaining electrons means the atom becomes more negative, so negatively charged. atoms that go through this process of gaining or losing electrons are called ions.
What is it called when wavelengths spread out by passing through an object such as a prism?
A)dispersion
B)refraction
C)reflection
D)absorption
Answers
Calculate the potential energy stored in an object of mass 50 kg at a height of 20 m from the ground.
(g=10 m/s2)
PLEASEEE FASTTTTT PLEASEEE
Answers
Answer:
potential energy=mgh
=50×10×20
=10000 J
Answer:
\(\huge\boxed{\sf P.E. = 10 kJ}\)
Explanation:
Given Data:
Mass = m = 50 kg
Height = h = 20 m
Acceleration due to gravity = g = 10 m/s²
Required:
Potential Energy = P.E. = ?
Formula:
P.E. = mgh
Solution:
P.E. = (50)(20)(10)
P.E. = 10,000 Joules
P.E. = 10 * 10³ Joules (10³ = Kilo)
P.E. = 10 kJ
\(\rule[225]{225}{2}\)
Hope this helped!
~AH1807(1.) Consider the equation: 4Fe + 3O2 yields 2Fe2O3
- What is the theoretical yield of Fe2O3 when 12.0g of iron rusts?
- If 14.21 g of Iron (III) oxide is actually produced what is the percent yield ?
(2.) what is the molarity of a 126.81 L solution that contains 5.1 moles of KCl ?
Answers
1a. The theoretical yield of Fe₂O₃ obtained is 17.14 g
1b. The percentage yield of Fe₂O₃ obtained is 82.9%
2. The molarity of the KCl solution is 0.04 M
1a. How to determine the theoretical yield of Fe₂O₃Balanced equation
4Fe + 3O₂ —> 2Fe₂O₃
Molar mass of Fe = 56 g/mol
Mass of Fe from the balanced equation = 4 × 56 = 224 g
Molar mass of Fe₂O₃ = (56×2) + (16×3) = 160 g/mol
Mass of Fe₂O₃ from the balanced equation = 2 × 160 = 320 g
SUMMARY
From the balanced equation above,
224 g of Fe reacted to produce 320 g of Fe₂O₃
Therefore,
12 g of Fe will react to produce = (12 × 320) / 224 = 17.14 g of Fe₂O₃
Thus, the theoretical yield of Fe₂O₃ is 17.14 g
1b. How to determine the percentage yield Actual yield of Fe₂O₃ = 14.21 gTheoretical yield of Fe₂O₃ = 17.14 gPercentage yield of Fe₂O₃ =?Percentage yield = (Actual / Theoretical) × 100
Percentage yield of Fe₂O₃ = (14.21 / 17.14) ×100
Percentage yield of Fe₂O₃ = 82.9%
2. How to determine the molarity of the KCl solutionMole of KCl = 5.1 molesVolume = 126.81 LMolarity of KCl =?Molarity = mole / volume
Molarity of KCl = 5.1 / 126.81
Molarity of KCl = 0.04 M
Learn more about stoichiometry:
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In which state is the best known source of petrified wood located? A Arizona B Alaska C California D Colorado
Answers
Answer:
Arizona.
Explanation:
Petrified Forest National Park is an American national park in Navajo and Apache counties in northeastern Arizona. Named for its large deposits of petrified wood, the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands.
what area of technology is the camera classified in? And WHY
a. Information and Communication
b. Bio-related and Agricultural
c. Medical d. Environmental
e. Production, which includes manufacturing and construction
f. Transportation
g. Energy and Power
h. Nanotechnology
Answers
Answer:
a. Information and Communication
Explanation:
The modern photographic camera evolved from the camera obscura. The functioning of the camera is very similar to the functioning of the human eye. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.
List three evidences that show that the Bible is the Word of God.
Answers
Answer:1.God tells us that He is the Author (2 Peter 1:20-21 Open in Logos Bible Software (if available) & 2 Timothy 3:15-17 Open in Logos Bible Software (if available))
1.The Old Testament and New Testament Authors understood they were writing the Word of God. Common Old Testament phrase – “Thus saith the Lord”. The Apostle Peter confirmed the Apostle Paul’s writings as Scripture (2 Peter 3:16)
3.Its Historical Accuracy – as verified by archeology, which has never contradicted the Bible, but only confirms and silences its critics.
Explanation:
Answer:
Many people question who the author of the Bible is and wonder if the Bible is really the Word of God. I want to give you five reasons to affirm that the Bible is God's Word.
The Word of God: Evidence that Scripture is Divine
First, I believe the Bible is the Word of God because of its scientific accuracy. The Truth of the Word of God tells us that God “hangeth the earth upon nothing” (Job 26:7). How did Job know that the earth hung in space before the age of modern astronomy and space travel? The Holy Spirit told him. The scientists of Isaiah’s day didn’t know the topography of the earth, but Isaiah said, “It is [God] that sitteth upon the circle of the earth” (Isaiah 40:22). The word for “circle” here means a globe or sphere. How did Isaiah know that God says upon the circle of the earth? By divine inspiration.
Secondly, the Bible is affirmed through historical accuracy. Do you remember the story about the handwriting on the wall that is found in the fifth chapter of Daniel? Belshazzar hosted a feast with a thousand of his lords and ladies. Suddenly, a gruesome hand appeared out of nowhere and began to write on a wall. The king was disturbed and asked for someone to interpret the writing. Daniel was found and gave the interpretation. After the interpretation, “Then commanded Belshazzar, and they clothed Daniel with scarlet, and put a chain of gold about his neck, and made a proclamation concerning him, that he should be the third ruler in the kingdom.” (Daniel 5:29). Basing their opinion on Babylonian records, the historians claim this never happened. According to the records, the last king of Babylon was not Belshazzar, but a man named Nabonidas. And so, they said, the Bible is in error. There wasn’t a record of a king named Belshazzar. Well, the spades of archeologists continued to do their work. In 1853, an inscription was found on a cornerstone of a temple built by Nabonidas, to the god Ur, which read: “May I, Nabonidas, king of Babylon, not sin against thee. And may reverence for thee dwell in the heart of Belshazzar, my first-born favorite son.” From other inscriptions, it was learned that Belshazzar and Nabonidas were co-regents. Nabonidas traveled while Belshazzar stayed home to run the kingdom. Now that we know that Belshazzar and Nabonidas were co-regents, it makes sense that Belshazzar would say that Daniel would be the third ruler. What a marvelous nugget of truth tucked away in the Word of God!
Explanation:
(Please help!) The diagram shows a roller-coaster track. Assume that the system is closed. At point B, the roller-coaster car is at the highest point of the ride. Which chart best shows the relative amounts of potential and kinetic energy of a roller-coaster car that has stopped briefly at point B before heading down the other side of the hill?
Answers
In this case, Kinetic energy is based solely on the movement of the object. As the question indicated that at the point in question the object is stopped, there would be no kinetic energy at that point, only potential energy.
Please select the word from the list that best fits the definition
Gives a pictorial indication of how far and fast an object has moved
a. speed
b. velocity
c. frame of reference
Answers
Answer: the answer is C
Explanation:
hope it helps friend :)
1. Most of the stars on the HR Diagram are classified as which type of star?
2. What is the color of the stars with the lowest surface temperature?
3. What is the color of the stars with the highest surface temperature?
4. Is the surface temperature of white dwarf stars higher or lower than red super giants?
5. What type of star has a low temperature but a high luminosity?
Answers
Answer:
1. Main Sequence - middle life 17
2. red
3. blue
4. White dwarf stars are much hotter than Red Supergiants 15. List the color of the stars from hottest to coldest: Blue, White, Yellow, Orange, Red 16.
5. red giants
Explanation:
Main sequence stars have a Morgan-Keenan luminosity class labeled V. red giant and supergiant stars (luminosity classes I through III) occupy the region above the main sequence. They have low surface temperatures and high luminosities which, according to the Stefan-Boltzmann law, means they also have large radii. White dwarf stars are much hotter than Red Supergiants 15. List the color of the stars from hottest to coldest: Blue, White, Yellow, Orange, Red 16. The hottest stars are the blue stars. A star appears blue once its surface temperature gets above 10,000 Kelvin, or so, a star will appear blue to our eyes. The lowest temperature stars are red while the hottest stars are blue. Astronomers are able to measure the temperatures of the surfaces of stars by comparing their spectra to the spectrum of a black body. Most stars, including the sun, are "main sequence stars," fueled by nuclear fusion converting hydrogen into helium. ...
As stars begin to die, they become giants and supergiants (above the main sequence).
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
learn more about Potential Energy :
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i) What happens to bulb X?
ii) What happens to bulb Y?
Refer Picture
Answers
Answer: (I) goes out
(ii)gets bright
Explanation:
How many ohms of resistance must be present in a circuit that has 240 volts and a current of 15 amps?
ОА.
3,600 ohms
О В.
16 ohms
230 ohms
D. 0.063 ohms
Answers
Answer:
16 ohms
Explanation:
V= I ⋅ R
where, V is the net potential difference in the circuit, I is the current in the circuit and R is the net resistance of the circuit.
In this case, V = 240 volts, I = 15 amperes.
240 = 15 ⋅ R
⇒ R = 240/ 15 = 16 ohms
Answer:
b-16ohms
Explanation:
If you are using online learning/PLATO the answer is proven to be B-16 ohms
Which effect is created when two sound waves that are close in pitch
interact?
O A. Echoes
O B. Loudness
C. Beats
O D. Intensity
Answers
Answer:
C. Beats
Explanation:
When waves are interfering with each other, the sound is louder in some places and softer in others. As a result, we hear pulses or beats in the sound.
Answer:
beats
Explanation:
got it right
a student has two substances at a lab table. He drops both into a graduated cylinder and records his data on the table below. if the density of the gold is almost 4 times more than iron pyrite. approximately how much water will be displaced by the gold? answers: a) 4ml b) 16 c)20 d)1
Answers
Answer:
1ml
Explanation:
What is the Eiffel Tower made of?
Answers
Answer: The Eiffel Tower is primarily made of iron. Gustave Eiffel, the French engineer who designed and oversaw the construction of the tower, used wrought iron to build its frame. In total, the tower contains about 18,000 individual iron pieces and weighs over 10,000 tons. The iron framework is held together by 2.5 million rivets. The tower's base is made of concrete, and the top portion of the tower is covered in bronze plates.
Explanation:
LOOKING FOR ALL YOU SCIENTISTS!!
What advice would you give a teen wanting to go into the STEM field??
Answers
Answer:
Make sure you're getting paid. Unpaid interships are a complete and total waste.
Explanation:
How do you think the weather and climate might change in the area around Mt. Everest?
Answers
Answer:
It does change if the weather is bad then very soon the climate will turn bad when the climate is unfavourable then the sourrounding will be affected. For example if the area around the Mt. Everest is Hot & Humind the ice would start melting & it would lead to way more issues.
why might parents allow their kids to opt out of gym class?
a. They think kids should take other subjects in school.
b. They think exercise in school is important.
c. They want their kids to learn teamwork in school.
d. They don’t want to pay for school equipment.
Answers
I think its A
i like your username btw
Answer:
I thinks d because some parents don't want to pay all the fees