The diagram below represents a beaker of water being heated by a flame. The arrows represent heat
transfer occurring in the beaker.
Which process is represented by the arrows in the diagram?
O condensation
O conduction
O convection
O radiation

Answers

Answer 1

Answer:

condensation

Explanation:

when heated beaker sed condensation


Related Questions

Methane is the chief constituent of petroleum fuel
A:yes
B:no

Answers

Yes

Methane also is the chief constituent of natural gas, which contains from 50 to 90 percent methane (depending on the source), and occurs as a component of firedamp (flammable gas) along coal seams.

What is the product of
Mg(NO3)2 + Na2CO3?

Answers

Answer:

MgCO3 + 2 NaNO3

Explanation:

Some factories that burn coal produce smoke with harmful chemicals,
such as sulfur. Scrubbers are devices that are attached to the
smokestacks to reduce the amount of sulfur put into the atmosphere. To
evaluate the effectiveness of these devices, what data would need to be
collected?

Answers

Mark Brainliest please


Answer :

The amount of sulfur emitted by a smokestack before and after the scrubber is attached

The amount of sulfur emitted by a smokestack before and after the scrubber is attached.

Hope it helps you I'm from ph❤️

which of the acyclic hydrocarbon series is represented by CnH2n​

Answers

Answer:

alkenes

Explanation:

The general formula for alkenes is CnH2n

Can metals have covalent radius and van der Waal's radius instead of metallic radius?​

Answers

Explanation:

Whether you choose to use van der Waals radii or metallic radii as a measure of the atomic radius, for metals the ionic radius is smaller than either, so the problem doesn't exist to the same extent. It is true that the ionic radius of a metal is less than its atomic radius (however vague you are about defining this).

Whether you choose to use van der Waals radii or metallic radii as a measure of the atomic radius, for metals the ionic radius is smaller than either, so the problem doesn’t exist to the same extent. It is true that the ionic radius of a metal is less than its atomic radius (however vague you are about defining this).

HOPE SO IT HELPS YOU

Chất được chia làm bao nhiêu loại? Lấy ví dụ cho từng loại.

Answers

Chất được chia làm hai loại là đơn chất và hợp chất.
Đơn chất: Cu, Cu2+,...
Hợp chất: CuO, CuCl2,...

Formulating an Investigative Question In this experiment, you will use a track and a toy car to explore the concept of movement. You will measure the time it takes the car to travel certain distances, and then complete some calculations. In the space below, write a scientific question that you will answer by doing this experiment.

Answers

Answer:

A scientific question to be asked is; What is the average speed of the toy car?

Explanation:

A scientific question is a question which is well defined, the values in the question can be measured, and the inputs and outputs related to the question are controllable

The parameters measured in the experiment are;

The time elapsed during the movement of the car, Δt

The distance the car moves, d

From the obtained measurements, the value can be calculated is the average speed of the toy car as follows;

[tex]The \ average \ speed \ of \ the \ toy \ car, \ v_{avg} = \dfrac{d}{\Delta t}[/tex]

Therefore, a scientific question to be asked that will be answered by doing the experiment is; What is the average speed of the toy car?

Answer:

Sample Response: How can we change the speed of a toy car on a racetrack to describe the car’s motion?

What did you include in your question? Check all that apply.

a focus on describing the toy car’s motion

a suggestion for a way to change the car’s motion

room for observations and an opportunity to look at motion objective

Explanation:

A hydrocarbon was found to contain 82.8% by mass of carbon. It has
an Mr of 58. Find the empirical and molecular formulas of this
compound.

Answers

Answer: C4H10

Explanation: [tex]\left \{ {{12x+y=58} \atop {\frac{12x}{58} =82,8%}} \right. \\[/tex]%

==> x=4, y=10    C4H10

A warm air moist air mass moves over a cold air mass is most likely to lead to which type of server weather

Answers

a thunderstorm is the severe weather it creates
A thunderstorm is the severe weather that will be created

Can somebody help please to balance those I couldn’t balance it

Answers

Answer:

1.

(NH4)2Cr2O7——>Cr2O7+N2+4H2O

2.

6CO2+6H2O——>C6H12O6+6O2

In the formation of a covalent bond, electrons are …..

A- Gained
B- Transfered
D- Lost
E- Shared

Answers

Answer:

E-shared

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

Household ammonia has a pH of 12; household bleach has a pH of 13. Which of the following statements about these substances is true? Group of answer choices The ammonia has 10 times as many OH- ions as the bleach. The ammonia has 10 times as many H+ ions as the bleach. A solution that could buffer the bleach and ammonia would remove excess OH- ions. Both of these substances are strong acids.

Answers

Answer:

The ammonia has 10 times as many H+ ions as the bleach.

Explanation:

pH is defined as -log[H+]

[H+] of ammonia is = 10^-12 = 1x10-12M

Bleach = 1x10-13M

pOH = 14-pH = 2 for ammonia and 1 for bleach

[OH-] = 10^-pOH = 0.01M for ammonia and 0.1M for bleach

Thus:

The ammonia has 10 times as many OH- ions as the bleach. FALSE.

The ammonia has 10 times as many H+ ions as the bleach. TRUE.

A solution that could buffer the bleach and ammonia would remove excess OH- ions. FALSE. A buffer maintains OH- ion concentration

Both of these substances are strong acids. FALSE. Strong acids have pHs < 7

When 27.50 liters of oxygen gas reacts with excess hydrogen gas at STP how many grams of water is produced?

Answers

Answer: The mass of water produced is 44.28 g

Explanation:

We are given:

Volume of oxygen gas = 27.50 L

At STP conditions:

22.4 L of volume is occupied by 1 mole of a substance

27.50 L of oxygen gas will be occupied by = [tex]\frac{1mol}{22.4L}\times 27.50L=1.23mol[/tex]

The chemical equation for the formation of water follows:

[tex]2H_2+O_2\rightarrow 2H_2O[/tex]

By the stoichiometry of the reaction:

If 1 mole of oxygen gas produces 2 moles of water

So, 1.23 moles of oxygen gas will produce = [tex]\frac{2}{1}\times 1.23=2.46mol[/tex] of water

The number of moles is defined as the ratio of the mass of a substance to its molar mass. The equation used is:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex] ......(1)

Molar mass of water = 18 g/mol

Plugging values in equation 1:

[tex]\text{Mass of water}=(2.46mol\times 18g/mol)=44.28g[/tex]

Hence, the mass of water produced is 44.28 g

The only two elements in alkenes and alkynes are A. Carbon and Nitrogen B. Carbon and Hydrogen C. Oxygen and Nitrogen D. Oxygen and Hydrogen

Answers

Answer:

B. Carbon and Hydrogen

Explanation:

An alkyne can be regarded as unsaturated hydrocarbon which have at least one carbon—carbon triple bond. They are acyclic aliphatic hydrocarbons, they can be (branched or unbranched) , They have general chemical formula of [ CₙH₂ₙ−2]. One of the compound belonging to this family is Propyne( C3H4) Hence, they contain Hydrogen and Carbon.

Alkenes can be regarded as class of hydrocarbons which posses only carbon and hydrogen, they are unsaturated compounds having least one carbon-to-carbon double bond.

alkenes can also be regarded as "olefins". one of the members of this family is Ethene (C2H4). general formula of alkenes can be written as [C nH 2n],

n=number of carbon atoms present in the molecule

Secondary succession can only occur as a transition from primary succession.

Answers

false because it's falsely

Answer:

false

Explanation:

edge 2022

Name a popular polyester​

Answers

Answer:

Terylene

Explanation:

Answer: she or his is right the Terylene is a popular polyester which is used in dress materials. PET (Poly Ethylene Terephthalate) is another example of polyester.M

Explanation:

Hope it helps

Which is a thermosetting plastic?

Polythene
PVC
Melamine
Nylon​

Answers

melamine should be the right answer, i hope this helps.

The solution of sugar at 60.0 degrees celcuis is 290.0 g/ 100 g water. If you add 100.0 g of sugar to 25 g of water at 60.0 degrees celcuis will the sugar dissolve?

Answers

Answer:

you will produce a saturated solution, At 0 degrees Celsius, sugar is claimed to dissolve 180 grams in 100 grams of water. This means that if you dissolve that much sugar in 100 g of water, you'll get a saturated solution.

Explanation:

The correct answer for the given question about Saturated solution is only 72.5 gram will get dissolved and rest which is 27.5 gram will remain undissolved.

How to apply concept of Saturated solution to solve this question?

In question it is given that at 60° C 290 gram of sugar in 100 gram of water produce saturated solution.

So at 60° C  290/100 gram of sugar in 1 gram of water will produce saturated solution.

Hence we can say that  at 60° C  (290/100)×25 gram of sugar in 25 gram of water will produce saturated solution.

means at 60° C 72.5 gram of sugar in 25 gram of water will produce saturated solution.

Now, adding 100 gram of sugar in 25 gram of water.

Since you can only hope to dissolve 72.5 gram at 60°,

Hence the resulting solution will contain undissolved sugar.

So only 72.5 gram will get dissolved and rest which is 27.5 gram will remain undissolved.

Thus, We can conclude that Only 72.5 grams of sugar will dissolve, leaving the remaining  sugar of 27.5 grams undissolved.

Learn more about Saturated Solution here:

https://brainly.com/question/1851822

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what is the mass of alumunium will be completly oxidized by 44.8 L of oxygen to produce Al2o3 at STP?​

Answers

Answer:

Therefore, 2 moles of oxygen will be required to oxidize 2.66 moles of oxygen. 72g of Aluminium will be completely oxidized by 44.8 lit of oxygen at STP.

Place the following in increasing atomic radius:
Least to most

Answers

Explanation:

least= Li,F,N,He,Ca,O

medium=N,Br,K,Ne,Zn,Fr

most= F,I,K,Kr,Br,Ga

How many atoms are in 490 moles of barium?

Answers

Answer:

2.95 * 10^23 atoms

Explanation:

The number of atoms in a mole is always equal to Avogadro's constant, which is 6.02214076×10²³ mol⁻¹.

To find the number of atoms in 0.490 moles of barium, multiply it with Avogadro's constant:

0.490 mol * 6.02214076×10²³ mol⁻¹ ≈ 2.9508 * 10^23

Convert to SigFigs (if necessary):

2.95 * 10^23

Using the periodic table, choose the more reactive nonmetal.
Te or O

Answers

the answer is Te because O is oxygen.

Answer:

O

Explanation:

this is because it is oxygen

What is the basic idea for how to find surface area of any solid?

Answers

Answer:

Find the area of each face that you see and then multiply each area by two to account for the face on the opposite side.

Silicon dioxide reacts with carbon to form silicon carbide and carbon monoxide as shown in the unbalanced reaction below. Determine the percent yield of silicon carbide if 79.1 grams of carbon reacts with an excess of silicon dioxide and 67.4 g of silicon carbide is actually recovered.
SiO2 + C → SiC + CO

Answers

Excess silicon dioxide" tells us carbon is the limiting reactant, and thus the amount of silicon carbide produced depends on how much carbon is available to react.
*Based on the balanced equation, for every 3 moles carbon reacted, 1 mole silicon carbide is produced.
*Molar mass carbon: 12.01 g/mol
*Molar mass silicon carbide: 28.09 g + 12.01 g = 40.1 g/mol

79.1 g carbon x (1 mol carbon / 12.01 g carbon) x (1 mol silicon carbide / 3 mol carbon) x (40.1 g silicon carbide / 1 mol silicon carbide) = 88.04 g silicon carbide

The below table compares the number of electrons in two neutral atoms.
atom:
Ne 10
Na 11
Compare the electron configuration and atomic radius of these two atoms and use that to explain the difference in their reactivity.

Answers

Ne 10 has a higher electron configuration because it is closer to Fluorine and fluorine has the highest type on electric config

What is the function of the rough
ER?
A. build proteins
B. modify and repackage proteins
C. contains enzymes

Answers

A. build proteins

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins

please help in all 3 questionnn ​

Answers

Answer:

Explanation:

a) photosynthesis

b) Substances used: water, sun, gas and nutrients. Products: glucose and flowers

c) there will be no sunlight or no open environment

What is ozone hole?
What causes an ozone hole?

Answers

Answer:

Ozon prevents us from UV rays of the sun. Ozone hole means that UV rays are entering the Earth. This results in cancer.

Explanation:

Chlorofluorocarbons are causing this

Answer:

The term ‘ozone hole’ refers to the depletion of the protective ozone layer in the upper atmosphere (stratosphere) over Earth's polar regions. People, plants, and animals living under the ozone hole are harmed by the solar radiation now reaching the Earth's surface—where it causes health problems, from eye damage to skin cancer.

Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere.

Which of the following statements about the procedure for distillation is false?
A) You should attach metal clips to the water tubes when you attach them to the condenser.
B) You are to continue heating the round-bottom flask until all liquid has been distilled.
C) When setting up the distillation apparatus, you should use 3 metal clamps.
D) As you conduct the distillation experiment, you are to store your fractions, securely sealed with caps and placed standing upright, in a beaker until you are ready to obtain GC data.

Answers

Answer: B) You are to continue heating the round-bottom flask until all liquid has been distilled.

Explanation:

Fractional distillation refers to a method that's useful for the separation of mixtures of solvents whereby there is less than 40°C in the boiling point difference.

With regards to the options given, the incorrect statement about the procedure for distillation is that you are to continue heating the round-bottom flask until all liquid has been distilled. This isn't correct.

What is ΔH if 5.5 grams H₂O(l) is formed from this reaction? ( molar mass of H₂O = 18)
H₂(g) + ½ O₂(g) → H₂O(l) ∆H = -285.8 kJ

Answers

Answer:

–87.3 KJ.

Explanation:

The equation for the reaction is given below:

H₂(g) + ½O₂(g) —> H₂O(l) ∆H = -285.8 kJ

Next, we shall determine the mass of H₂O produced from the balanced equation. This can be obtained as follow:

Molar mass of H₂O = 18 g/mol

Mass of H₂O from the balanced equation = 1 × 18 = 18 g

SUMMARY:

From the balanced equation above,

When 18 g of H₂O was produced, ∆H was –285.8 KJ.

Finally, we shall determine ∆H when 5.5 g of H₂O is produced. This can be obtained as illustrated below:

From the balanced equation above,

When 18 g of H₂O was produced, ∆H was –285.8 KJ.

Therefore, 5.5 g of H₂O will produce ∆H of = (5.5 × –285.8) / 18 = –87.3 KJ

Thus, the ∆H when 5.5 g of H₂O was produced is –87.3 KJ.

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