Someone please answer this...

Someone Please Answer This...

Answers

Answer 1

Answer:

5446.8 J

Explanation:

From the question given above, the following data were obtained:

Mass (M) = 50 g

Initial temperature (T₁) = 70 °C

Final temperature (T₂) = 192.4 °C

Specific heat capacity (C) = 0.89 J/gºC

Heat (Q) required =?

Next, we shall determine the change in the temperature. This can be obtained as follow:

Initial temperature (T₁) = 70 °C

Final temperature (T₂) = 192.4 °C

Change in temperature (ΔT) =?

ΔT = T₂ – T₁

ΔT = 192.4 – 70

ΔT = 122.4 °C

Finally, we shall determine the heat required to heat up the block of aluminum as follow:

Mass (M) = 50 g

Specific heat capacity (C) = 0.89 J/gºC

Change in temperature (ΔT) = 122.4 °C

Heat (Q) required =?

Q = MCΔT

Q = 50 × 0.89 × 122.4

Q = 5446.8 J

Thus, the heat required to heat up the block of aluminum is 5446.8 J


Related Questions

Explain in a short sentence how you can tell if a reaction is a synthesis reaction.

Answers

Answer:

In a synthesis reaction, two or more chemical species combine to form a more complex product.

Explanation:

Answer quickly plz. CO2 dissolving in bodies of water forms_____
which causes the pH to____? Fill in the blanks.

A. Carbonate Acid; decrease
B. Carbonic Acid; increase
C. Carbonic Acid; decrease
D.Carbonate Acid; increase.

Answers

CO2 dissolving in bodies of water forms carbonic acid which causes the pH to decrease.

Hope this helps! Please correct me if im wrong! :)

Answer:C. Carbonic Acid; decrease

Explanation:

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Answers

Answer/Explanation:

62.559%

mass of an element   X 100%

mass of the compound

Scientific Notation: 3.45 x 10^5

E Notation: 3.45e5

How did chemists change Mendeleev's periodic table in the early 1900s?

Answers

Answer:

They used atomic number instead of atomic mass to organize the elements. From an element's location in the periodic table, you can predict: ... The elements have similar properties.

Which of the following has the highest mass?
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Answers

Liters are used to measure water and a liter is about as much as a big pop bottle. Moles measure large quantities of small entities, and grams measure small things like salt.

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B: Gravitational Energy
C: Nuclear Energy
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Answers

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Answer:

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Explanation:

Radiant energy is created through electromagnetic waves

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Answer:

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Explanation:

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Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction.

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Explanation:

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Answers

Answer:

You will not be allowed to have any learning aids while taking a test or ... A DNA molecule consists of three parts—a nitrogen base, ... There are four DNA nucleotides, each with one of the four nitrogen bases (adenine, thymine, cytosine, and guanine). The DNA forms a two-stranded spiral, or double helix.

Explanation:

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Answer:

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Explanation:

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Answers

Answer:

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Explanation:

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Answers

Carbon is the element that if combined with iodine, will have the greatest attraction for the iodine electrons. So C

APE X What is happening to particles of matter while a change of state is taking place?
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b. They are multiplying in number
c. They are slowing down
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Answers

Answer:

a. They are staying at the same speed

Explanation:

IF CORRECT PLSPLSPLS GIVE BRAINLIEST WOULD APPRECIATE :)

Answer:

a. They are staying at the same speed

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Answer:

Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions.

How does temperature affect the vapor pressure of a liquid?

Answers

Answer:

As the temperature of a liquid increases, the kinetic energy of its molecules also increases. As the kinetic energy of the molecules increases, the number of molecules transitioning into a vapor also increases, thereby increasing the vapor pressure.

Atoms combine in whole-numbcher ratios.​

Answers

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Answer:

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Second blank: center

Explanation:

PLEASE HELP ASAP!!!
A teacher wrote the following part of a chemical equation involving water (H2O) and carbon dioxide (CO2): H2O + CO2 ---> ?
What is the most likely result of the chemical reaction represented by this equation?
A. H2CO3
B. NaCl
C. HNO3
D. H2Ca3

Answers

Answer:

Id say A. I think I hope I'm right

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Answers

Answer:

It is Soluble

Explanation:

Name- Magnesium acetate

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If it takes 5 hours to produce 8.0 kg of alcohol, how any days will it take to consume 1000 kg of glucose?

Answers

It takes 21.3 days

Further explanation

Given

5 hr = 8 kg Alcohol

Required

Days to consume 1000 kg of glucose

Solution

Alcoholic fermentation⇒ glucose produces ethanol and carbon dioxide,

C₆H₁₂O₆ → 2 C₂H₅OH + 2CO₂

mol ethanol :

[tex]\tt \dfrac{5000~g}{46~g/mol}=108.7~moles[/tex]

moles of glucose to produce 108.7 moles ethanol :

[tex]\tt \dfrac{1}{2}\times 108.7=54.35[/tex]

54.35 moles = 5 hours

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[tex]\tt \dfrac{5555.5}{54.35}\times 5~hours=511.085~h=21.3~days[/tex]

2. If temperature
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Answers

Answer:

true

Explanation:

the mass of the temperature changes as well so it'll decrease and increase

pls help science

Which description properly describes the plant structures involved in photosynthesis?

Stomata take in water, sunlight, and carbon dioxide and release oxygen.
Phloem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight.
Xylem takes in water, sunlight, and carbon dioxide and releases oxygen.
Stomata take in carbon dioxide and release oxygen.

Answers

Answer:

Stomata take in water, sunlight, and carbon dioxide and release oxygen.

Explanation:

Photosynthesis collects and absorbs sunlight and converts the sunlight into sugars (glycose), then the plant stores the sugar and uses it.

why does human cells perform more functions

Answers

Answer:

Human cells are eukaryotic which means they are more complicated, bacteria cells are prokaryotic which means they are simpler and viruses are not even cells at all, they are just genetic material in a protein shell. Not all bacteria make us sick, most actually help us have emunity to the virus. Hope this helps

Explanation:

Answer:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells have many parts, each with a different function.

Explanation:

how many grams of sodium carbonate must react with 222 g of calcium chloride to make 233 grams of sodium chloride and 201 grams of calcium carbonate?

Answers

Answer: 212 g  of sodium carbonate must react

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products formed must be equal to the mass of reactants taken.

In order to get the same mass on both sides, the atoms of each element must be balanced on both sides of the chemical equation.

The balanced chemical equation is:

[tex]Na_2CO_3+CaCl_2\rightarrow 2NaCl+CaCO_3[/tex]

Mass of products = mass of  sodium chloride + mass of  calcium carbonate = 233 g+ 201 g= 434 g

Mass of reactants= mass of sodium carbonate  + mass of calcium chloride =x + 222 g

As the mass of reactants should be equal to mass of products

434  = x  + 222 g

x = 212 g

Thus 212 g  of sodium carbonate must react with 222 g of calcium chloride to make 233 grams of sodium chloride and 201 grams of calcium carbonate

What type of chemical reaction occurs when more energy is released during a chemical reaction than is needed to start a chemical reaction

Answers

Answer:

exothermic reaction

Explanation:

your welcome :)

What happens to valence electrons in ionic bonding?

Answers

Answer:

they are either donated to or taken by another atom to achieve octet arrangement

Explanation:

for example Na+ and Cl- .. they both have one extra and one less electron .

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Which of the following compounds would form a
crystal lattice?

water
sugar
paraffin wax
copper ID chloride

Answers

Answer:

Water

Explanation:

When water freezes it forms a crystal lattice shape

Copper chloride would form a crystal lattice. Therefore, option D is correct.

What is crystal lattice?

In crystallography, a crystal lattice can be described as a description of the ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures take place from the intrinsic nature of the particles to form symmetric that repeat along the principal directions of 3-D space in matter.

The smallest group of atoms in the material that constitutes this repeating pattern is known as the unit cell. The unit cell fully reflects the symmetry and structure of the crystal, which is built up by the repetition of the unit cell along its principal axes.

The lengths of the principal axes of the unit cell and the angles are the lattice constants called lattice parameters. The symmetry properties of the crystal are based on the concept of space groups.

The crystal structure and symmetry determine many physical properties, such as electronic band structure, cleavage, and optical transparency.

Learn more about crystal lattice, here:

https://brainly.com/question/11207173

#SPJ2

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