Answer:
Cannot be measured by pyrometer.
Explanation:
This is because a pyrometer measures temperatures for very hot bodies such as the sun.
Answer:
Clinical
Explanation:
Temperature of boiling water cannot be measured by a Clinical thermometer The reason behind this is that the range of clinical thermometer varies between only 35° C to 42° C.
What is the life cycle of an average sized star?
Answer:
The Middle Years
Explanation:
Depending on the size of the star, the period of which thermal energy is created through the process of nuclear fusion can vary. However, for the life cycle of an average star, this can be roughly a few billion to 10 or even 15 billion years
PLEASE HELP, ILL GIVE BRAINLIEST
What is the formula for this molecule? *
Answer:
CNH5 i guess...................
Answer:
CNH5 is the formula.
Explanation:
There is 1 carbon molecule, 1 nitrogen molecule, and 5 hydrogen molecule.
You are planning on making punch and you would like to cool it with ice. At the store, there are 2 different one-pound bags of ice to choose from: one that contains large ice cubes one that contains small ice chips. You only want to purchase one bag of ice and will add the entire bag to the punch. Would one of the bags cool the punch at a faster rate? If so, which one and why? If not, why? Would one of the bags of ice cool the punch to a lower temperature? If so, which one and why? If not, why? (Not really a chem q, I didn't know what subject to put it in)
As shown by the periodic table, why do the elements potassium and sodium have similar chemical properties?
Help its due tonight
Answer:
will you kiss me
Explanation:
oh the awsner is A
The tail in figure A and the rings in figure C are held together by a similar force. What force holds the tail and the rings together?
Answer:
It has to be weak vander waal's forces of attraction.
Answer:
The tail and the rings are held together by the force of gravity.
Under which conditions of temperature and pressure would a 1-liter sample of a real gas behave most like an ideal gas
Answer:
high temperature and low pressure
Explanation:
An ideal gas is a type of gas which obeys the gas laws at all conditions of pressure and temperature. Whereas a real gas does not obey the gas laws and does not behave according to the kinetic molecular theory.
But a real gas almost behaves like an ideal gas and follow the kinetic molecular theory at a sufficiently high temperature ad low pressure.
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Maybe Sugar I did that question before I think.
Answer: D
Explanation:
D is the correct answer since all of the others are basically food, depending on who eats them. Just read the little description before you try to answer the question so you won’t get confused next time.
Note the yellow lines which show attractions between the molecules. Why do you think these attractions occur?
Which increases along faults and leads to rock breaking? damage earthquake focus stress
A. damage
B. earthquake
C. focus
D. stress
Answer:
Stress
Explanation:
Stress increases along faults and leads to rock breaking. Therefore option D is correct.
Along faults, stress builds up in the rocks due to the movement and interaction of tectonic plates. Stress is the force applied to the rocks, and it can occur in various forms, such as compression, tension, or shear. As the stress increases, the rocks become more strained and are pushed to their breaking point.
When the stress exceeds the strength of the rocks, they can no longer withstand the applied forces and break, resulting in an earthquake. The release of accumulated stress along the fault causes the rocks to rupture and generate seismic waves, leading to ground shaking and the propagation of energy throughout the Earth's crust.
Therefore, stress is the primary factor that increases along faults and ultimately leads to rock breaking and the occurrence of earthquakes.
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compound form of lithium and selenium
Answer:
Li2Se
Lithium selenide
Explanation:
Drag and drop the correct component and reactants to fill in the equation for photosynthesis
Answer:
6CO2 + 6H2O ----> C6H12O6 + 6O2
Explanation:
Photosynthesis is the process by which green plants manufacture their own food using sunlight in the presence of carbon dioxide water and chlorophyll.
Chlorophyll is the pigment in plants that absorbs light.
The equation of photosynthesis is shown in the answer section above. Sugar and oxygen are the first products of photosynthesis.
Physical and chemical changes and properties are observed and tested in order to confirm the identity of a substance or how a substance may act in certain condition. The image below is a rock that, based on its bright yellow color, scientists believe to be sulfur. However, they would like to use a test to confirm this prediction.
Which procedure would you recommend the scientists use?
(A) Use volume displacement and the mass of the rock to calculate density.
(B) Measure volume in centimeters cubed and add to mass to determine density.
(C) Find the weight and volume of the rock then multiply to calculate density.
(D) Dissolve the rock in water, then find the mass and volume needed to calculate density.
Answer:
(A) Use volume displacement and the mass of the rock to calculate density.
Explanation:
uses of indicators in points?
Answer:
The common application of indicators is the detection of end points of titrations. The colour of an indicator alters when the acidity or the oxidizing strength of the solution, or the concentration of a certain chemical species, reaches a critical range of values.
SOMEONE HELP ME PLEASE
Radiation
conduction
convection
Answer:
radiation
Explanation:
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What is environment?
Answer:
where an organism lives which includes everything that surrounds and influences the organism.
13. The quality of petrol as an engine
fuel improves with a higher amount
of
A. branched chain alkanes.
B. branched chain alkenes.
C. branched chain alkynes.
D. straight chain alkynes.
E. straight chain alkynes.
Answer:
The correct option is;
A. Branched chain alkanes
Explanation:
By the process of cracking of petroleum, higher quality petrol are formed by converting straight chain petrol to branched petrol, which are the grade of petrol that burns more smoothly and therefore efficiently within internal combustion engines
The cracking process includes;
a) The conversion of alkanes which are large molecules into branched octanes
b) The conversion of alkanes with straight chain into branched chain alkanes
c) The formation of a branched chain alkane and an alkene from straight chain alkanes
d) The formation of branched chain alkane and hydrogen gas from a straight chain alkane.
Why is a synthetic gemstone (made by humans) not considered a mineral?
Answer:simce it’s manmade, it doesn’t have all the elements it needed if it was natural. It’s basically synthetic or artificial
Explanation:
PLEASE HELP!!!! A solution contains 35 grams of sugar per liter of solution. How many grams of sugar are in 2.5 L?
If the current flowing from the supply is 0.12 A, what current will flow through 10 ohms resistor?
Worth 20 points and will mark brainliest!
If the resistor is in series to the voltage supply then 0.12A current will also flow through it.
(How the resistor is placed in relation to the supply is unknown)
List the two thing that will weaken and eventually kill hurricanes
A)
B)
Answer:
A. when winds are to strong
B. cool tempatures
Explanation:
If 0.20 bushel is 1 dozen apples and a dozen apples has a mass of 2.0 kg, what is the mass of 0.50 bushel of apples?
Answer:
Mass of 0.50 bushel = 5 Kg
Explanation:
Given data:
Number of apples in 0.20 bushel = 1 dozen
Mass of 1 dozen apple = 2.0 Kg
Mass of 0.50 bushel apple = ?
Solution:
First of all we will calculate the number of dozen of apple in 0.50 bushel.
(1/0.20) ×0.50 = 2.5 dozen
Mass of 0.50 bushel = 2.5 dozen × 2.0 Kg/1 dozen
Mass of 0.50 bushel = 5 Kg
why is the symbol Ar used in the electron configuration of potassium, and what does it represent?
Answer:
It represents the noble gas that precedes the period before Potassium.
Explanation:
Period before potassium is 3, the noble gas in that period is Ar (Argon). So when condensing the electron configuration of Potassium, Argon can account for 18 electrons instead of writing out 18 electrons in full form from 1s2, 2s2 etc.
what happens when thermal energy is added to a substance?
Answer:
Explanation:
I believe that particles would move more faster and more thank likely increase kinetic energy when thermal energy is added to something.
Why reaction between phosphorus and oxygen produces four atoms of phosphorus and five atoms of oxygen
Answer:
Reaction between an oxygen and a phosphorus will produce oxides of phosphorus.
Explanation:
Reaction between oxygen and phosphorus produces four atoms of phosphorus with five atoms of oxygen. Sometimes it produces two atoms of phosphorus and five atoms of oxygen and sometimes four atoms of phosphorus and six atoms of oxygen. It does so depending upon the availability of oxygen. The size of phosphorus atom interferes with the ability to form a double bonds to the other elements, such as nitrogen, oxygen, etc.
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What type of radioactive decay is represented by the arrow?
Alpha
Beta
Gamma
Answer:
beta
Explanation:
teapot filled with water is heated on the stove. What does the heat from the stove do to the molecule of water in the teapot?
Answer:
The kettle on the stove takes thermal energy from the stove and uses it to convert water into steam at constant temperature. The molecules of water vibrate with increasing speeds when the temperature of water increases. When the temperature of water reaches the boiling point, water starts to change its state to steam.
Explanation:
17.
Which of the following gases is used
in the demonstration of fountain
experiment?
A. CH
B. CO
C. HUS
D. NH3
E. SO2
Answer:
ammonia gas and hydrogen chloride gas.
describe the transfer of energy the occurs as water freezes
Answer:
FREEZING When liquid water freezes, it releases thermal energy and turns into the solid state, ice. Vaporation when water reaches its boiling point of 100ºC, water molecules are moving so fast that they break free of the attractions that hold them together in the liquid state.
Explanation:
There is a law called conservation of energy which states that energy can neither be created nor be destroyed. It can be only transferred from one form to another form. Therefore, thermal energy is released during freezing of water.
What is energy transfer in thermodynamics?Energy transfer is a phenomenon in which energy transfer from one matter to another matter. Energy can be transferred in two forms that are by doing work or by transferring heat.
Heat energy can be transferred by three ways conduction, convention and radiation. In conduction, when two object are in direct contact, transfer of molecules takes place. When liquid water freezes, it releases thermal energy and turns into the solid state, ice.
Therefore, thermal energy is released during freezing of water.
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