How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?

Answers

Answer 1

Answer:

0.90 degree C

Explanation:

The key to this problem lies with aluminium's specific heat, which as you know tells you how much heat is needed in order to increase the temperature of  1 g of a given substance by 1∘C

In your case, aluminium is said to have a specific heat of

0.90 J g∘ C.


Related Questions

similarities about homogeneous and heterogeneous mixtures

Answers

Answer:

A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.

Explanation:

yea

How do electrons behave?

Answers

An electron in motion generates an electromagnetic field and is in turn deflected by external electromagnetic fields. When an electron is accelerated, it can absorb or radiate energy in the form of photons. Electrons, together with atomic nuclei made up of protons and neutrons, make up the

i need help with this pls

Answers

Answer:

C Is The Correct Answer Because The Deeper The Rock Is The Older It Is So The Top Is The Youngest And The Bottem Is The Oldest

Which is the electron configuration for boron? 1s22s3 1s22s23s1 1s12s22p2 1s22s22p1

Answers

Answer:

electron configuration for boron is 1s22s22p1

Answer:

D

(answer is D)

The most common isotope of chromium is 52Cr. How many neutrons does an atom of 52Cr have?
a. 24
b. 28
c. 52
d. 80​

Answers

D or c I’m not sure maybe c sorry if it’s weonggg

Which of the following has a negative charge? A.neutrino B.electron C.alpha particles D.gamma rays

Answers

Answer:

B. Electrons

Explanation:

Protons have a positive (+) charge.

Neutrons have a neutral (0) charge.

Electrons have a negative (-) charge.

Alpha Particles is a helium atom.

Gamma Rays are radiation.

Neutrino is Quantum Physics.

Which of these is an extensive ?
A- density
B- melting point
C- temp.
D- volume

Answers

It would be Melting point C.

If not for human activity how long would carbon stay as fossil fuel

Answers

Answer:

1,000 years

Explanation:

1,000 years

According to the U.N. Intergovernmental Panel on Climate Change (IPCC), which issued a special report on CCS in 2005, a properly selected site should securely store at least 99 percent of the sequestered CO2 for more than 1,000 years.

49. Carry out the indicated temperature conversions.
40 °C to Fahrenheit degrees
b. -40 °F to Celsius degrees
c. 232 K to Celsius degrees
d. 232 K to Fahrenheit degrees

Answers

Answer:

sorry but dorks dont learn maths

Explanation:

just kidding no offense but i think umm 1st one will stay same

i searched google

49.2 m = _________ hm

Answers

The answer is 0.492 because there are 100 meters in a hectometer, and 49.2/100 is 0.492

true or false : when a theory has been known for a long time , it becomes a law ​

Answers

False.

It won’t become one if it’s not proven true.

False.


a theory has to be tested throughly in order for it to become a law.
i hope this helped :)

1. Measuring instruments, such as rulers and graduated cylinders, are often used in experiments to increase the A clarity of the hypothesis B. testability of the hypothesis C. accuracy of the data sample size of the data 5​

Answers

Answer:

C. accuracy of the data sample size of the data

Explanation:

Measuring instruments, such as rulers and graduated cylinders, are often used in experiments to increase the accuracy of the data sample size which is usually gotten from the taken reading.

Measuring instruments such as rulers have accurate readings which makes measurements in any form very easy and more accuracy.

Matching
Match the word to the definition. Write the letter on the line.
6. Type Scientfic nquiry
А. This group shows the effect of the variable being tested
7. Type_ Hypothesis
В. This is the one variable that is changed
8. Type Control group
с. A welltested explanation for experimental results
9. Type Experimental group D. The many ways in which scientists study the natural world
10 Type Independent variable E A possible answer to a scientific question
11 Type Dependent variable F This describes an observed pattern in nature
12 Type Scientific theory G This group is left alone and not experimented on
Н This is the veriable that gets measured
13 Type Scientific law
Click to add speaker notes

Answers

Answer:

6. Scientific inquiry - D

7. Hypothesis - E

8.  Control group - G

9. Experimental group - A

10. Independent variable - B

11. Dependent variable - H

12. Scientific theory - C

13. Scientific law - F

Explanation:

6. Scientific inquiry - D

Scientific inquiry is the study of the explanation for the natural world phenomenon and it requires many scientific steps.

7. Hypothesis - E

A hypothesis is a possible explanation for a phenomenon or problem. It is tested in order to see if true or not.

8.  Control group - G

The control group in a scientific experiment is a group of subjects did not get the treatment and left alone.

9. Experimental group - A

The experimental group is another hand group of subjects that gets treatment and shows the effect of the variable being tested.

10. Independent variable - B

Independent variables change or manipulated during an experiment and cause a response from the dependent variable.

11. Dependent variable - H

The dependent variable is a variable that is dependent on independent variables and changes in the independent variable.

12. Scientific theory - C

A well-tested explanation for experimental results with the scientific process.

13. Scientific law - F

This describes an observed pattern in nature

Question 2
Which phrase best describes an apple?
O homogeneous compound
O heterogeneous substance
O homogeneous mixture
O heterogeneous mixture

Answers

Answer:

an apple is best described as a heterogeneous mixture.

The phrase that best describes an apple is heterogenous mixture because it is made up of a different materials.

What is a mixture?

A mixture is combination of different components that can be uniform or dispersed and homogenous or heterogenous.  A homogenous mixture is the one in which the two or more components are dissolved together to form only one phase.

A heterogenous mixture is composed different phases with uniform or irregular arrangement of materials. Heterogenous mixtures look like a nonseparated random particles which are clearly distinguishable by eyes.

Apple is not a compound but is a mixture made up of different components such as water, pulp, seeds, pigments etc. and each forms their own phases.

Hence, Apple can be termed as a heterogenous mixture.

To learn more about homogenic mixture, find the link below:

https://brainly.com/question/1970755

#SPJ5

The density of aluminum is 2.70 g/cm'. If the volume of a piece of aluminum is 90.4 cm', what is
the mass of the aluminum?

Answers

Answer:

33.4814814815

Explanation:

90.4/2.70

A hair gel is a mixture. Which of the following is true about hair gel?
A. A chemical change is required to separate its mixed components
B. A physical change can separate its mixed components.
C. It is made up of millions of units of a single type of compound.
D. It is made up of millions of atoms of a single element

Answers

Answer:

B. A physical change can separate its mixed components.

Explanation:

Atoms and molecules of different elements can come together to form a substance known as MIXTURE. A mixture comprises of several units of different elements or compounds that are not chemically joined together. This is the case of hair gel, which is a mixture i.e. it contains several compounds mixed together in an uneven ratio.

Since the components of a mixture such as the hair gel, are not joined together chemically i.e no chemical bonding or altering of chemical structure occurs between the mixture constituents, they can be separated using physical means. Physical methods of separation such as boiling, chromatography, etc.

Diffrentiate between atoms and ions.

Answers

Hello. What is an Atom?
The smallest unit of matter. It is indivisible and consists of neutrons, electrons and protons. Atoms can take part in chemical reactions. Combination of atoms together forms molecule. Always the number of protons and electrons are equal. Independent life may or may not be feasible within a solution. Nucleus of the atom is formed by protons and neutrons. Surrounding the nucleus are the electrons.

What is an Ion?
Atoms where the electrons and protons are not equal are called ions. Ions are charged particles. They can be either positively charged ions or negatively charged ions. If an atom is charged electrically it is considered an ion. If an atom contains maximum number of electrons than protons, then it is called anion. If an atom contains maximum number of protons than electrons, then it is called cation. Independent existence in a solution. When an atom gains or loses electrons, ion is formed. Hope it helps

Neutrons have a
charge?
neutral
negative
positive

Answers

Answer:

Neutrons have a neutral charge

Explanation:

A neutron consists of 3 quarks, 1 up and 2 down. The up quark has a charge of + 2/3e, and the down quarks each have a charge of - 1/3e. So, the charges on the 3 quarks tend to cancel out to produce a neutrally charged particle.

It is a Neutral charge

I need help with this please.​

Answers

C
E
B
D
F
A
Hope this helps!!

Need help with this

Answers

Answer:

environmentalism I think

Explanation:

...................

Answer:

2nd choice answer

Explanation:

thats ez tbh

If the half-life of iodine-131 is 8.0 days, how much of a 100.0 mg sample of it will remain after 32 days? In case you're interested, iodine-131 forms xenon-131 by beta emission/decay. Please enter only a numerical answer and do not write in any units. It is understood that the unit is mg.

Answers

Given :

Half-life of Iodine , [tex]t_{0.5}=8 \ days[/tex] .

Initial concentration , [tex][A_o]=100\ mg[/tex] .

To Find :

The amount of sample remains after 32 days .

Solution :

Rate constant is given by :

[tex]k=\dfrac{0.693}{t_{0.5}}\\\\k=\dfrac{0.693}{8}\ s^{-1}\\\\k=0.086625\ s^{-1}[/tex]

Now , by rate law :

[tex][A]=[A_o]e^{-kt}[/tex]

Putting all given values, we get :

[tex][A]=100\times e^{-(0.086625)\times 32}\\[/tex]

[tex][A]=6.25\ mg[/tex]

Therefore , the remaining sample after 32 days is 6.25 mg .

Hence , this is the required solution .

By using constants in an experiment, you can make sure that you are testing only one
A)experiment
B)variable
C)hypothesis
D)order

Answers

The answer is variable, specifically the independent variable

Experiment-the actual test
Variable-what you are testing
Hypothesis-a prediction

How did Edward Teller died?

Answers

Answer:

septembar 9 2003

Explanation:

he died in september 9 2003

Answer:

Your answer:

His cause of death was a stroke ( heart attack)

hope this helped you

please mark as the brainliest (ㆁωㆁ)

An Olympic swimmer can swim a distance of 360m in 8.5 minutes. What is her speed?

Answers

speed= distance / time
s= 360m / 510 s
s= 0,7 m/s

Answer:

42.3529412 m/min or 0.705882353 m/s

Explanation:

We can calculate speed using the following formula.

[tex]s=\frac{d}{t}[/tex]

where [tex]d[/tex] is distance and [tex]t[/tex] is time.

The Olympic swimmer can swim 360 meters in 8.5 minutes. Therefore,

[tex]d= 360 \ m \\t= 8.5 \ min[/tex]

Substitute the values into the formula.

[tex]s=\frac{360 \ m}{ 8.5 \ min}[/tex]

Divide.

[tex]s= 42.3529412 \ m / min[/tex]

Her speed is 42.3529412 meters per minute.

If we want to find her speed in meters per second, convert the minutes to second.

1 minute is equal to 60 seconds, so we can multiply 8.5 by 60.

[tex]8.5 *60=510[/tex]

The swimmer can swim 360 meters in 510 seconds.

[tex]s=\frac{d}{t}[/tex]

[tex]d= 360 \ m \\t= 510 \ s[/tex]

[tex]s=\frac{360 \ m}{510 \ s}[/tex]

[tex]s=0.705882353 \ m/s[/tex]

Her speed is also 0.705882353 meters per second.

There are 5 areas of chemistry:physical chemistry, organic chemistry, analytical chemistry, biochemistry and inorganic chemistry.identify which of the five area of chemistry best fits the action done by zoe, a chemist. zoe is using an instrument called a spectrophotometer to precisely determine the levels of various chemicals in a sample of drinking water.

If someone could help me I would really appreciate it. Thank you!

Answers

Answer:

Analytical chemistry

Explanation:

because in analytical chemistry checks that different chemicals in water,salt etc....

A marathon is approximately 42.195 km Convert the distance to
centimeters.

Answers

Answer:

4219500 centimeters

Explanation:

I hope this helped!

How much copper is in 3.79 g of copper

Answers

Answer:

3.79 g

Explanation:

3.79 g of copper is how much it is

How many valence electrons does aluminum (AI) have available for bonding?
1
2
3
4

Answers

The answer would be 3

A recycling center must find a way to separate all of the aluminum cans from those made of nickel or iron. What would be a reliable, efficient way to separate them?

Answers

Answer:

Use a giant magnet to pick up the iron and nickel ones, leaving the aluminum behind.

Explanation:

Stay safe!

Bonnie wants to see if playing music to plants will help them grow taller. She buys 4 of the same kind of plant. They all receive the same amount of sun and water. She plays rap music to plant A, country music to plant B, rock music to plant C, and plant D gets no music at all. Everyday for a week she measures the height of each plant.

Answers

Answer:BELIEVE IT OR NOT,RESEARCH HAS BEEN MADE TO APPROVE PLAYING MUSIC TO PLANTS FOR TALLER GROWTH.

AND EVEN FAST AND healthy GROWTH.

PLANTS LISTENING TO ROCK MUSIC WILL DETOUR I ATE AND DIE.

Plants listening to classical music thrive and grow better than expected.

A BRAINLIEST WILL MAKE ME ANSWER MOST OF YOUR QUESTION QUICKLY.

A BRAINLIEST PLEASE.

DO NOT HESITATE TP ASK FOR FURTHER EXPLANATION.

HOPE THAT HELPED.

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