Answers
Answer:
-270.76°C
Explanation:
Given that metal Thallium becomes superconducting below the temperature of 2.39 kelvin i.e. this temperature is critical temperature for Thallium and below critical temperature a metal offers no resistance to the flow of electric current. Also the metal below its critical temperature expels the magnetic field in such a way that they do not penetrate the metal and pass through its surface only.
We have the relation between kelvin scale and degree Celsius scale of temperature measurement as:
Related Questions
What is chemical energy? (2 points)aEnergy that is stored or released during a chemical reactionbEnergy that is destroyed during a physical changecEnergy that is released during a phase changedEnergy that is created when a substance is being burned
Grunge is a rock style from Detroit. True False
Sludge and water mixture is homogeneous or heterogeneous mixture?
A buffer solution contains 0.11 mol of acetic acid and 0.13 mol of sodium acetate in 1.00 L. What is the pH of this buffer?What is the pH of the buffer after the addition of 2?
The First Law of Thermodynamics
The second Law of Thermodynamics
Kinetic Theory
The definition of work
the definition of heat
Answers
Answer:
Second law of thermodynamics.
Explanation:
Second law of thermodynamics states the entropy or order in an isolated system always increases. The isolated system evolve spontaneously toward thermal thermal equilibrium.
For example if a room is untidy and dirty,it will become messy over time and disorder. So when the room is cleaned, there won't be disorderliness and entropy will decrease.
B. When infectious agents get into the human body, the body gets a surge of energy, causing a slight increase in body temperature, and you feel great.
C. When infectious agents get into the human body, your body responds by raising the core body temperature, causing a fever.
D.Nothing happens when the human body is exposed to an infectious agent.
Answers
Answer:
when infectious agents get into the human body your body responds by raising the core body temperature causing a fever
The answer is C it will raise your body temp and cause a fever
(liquid)
Pressure (atm)
0.5-
0.25
Ice
(solid)
Water vapor
(gas)
0
000
Temperature (°C)
O A. Gas
O B. Solid and gas
O C. Solid and liquid
D. Solid
Answers
Water is in the solid phase at 0.25 atm and 0°C.
In what phase is water at 25?
A pressure of 50 kPa and a temperature of 50 °C correspond to the “water” region—here, water exists only as a liquid. At 25 kPa and 200 °C, water exists only in the gaseous state.
What phase is water in at 0 C?
Under standard atmospheric conditions, water exists as a liquid. But if we lower the temperature below 0 degrees Celsius, or 32 degrees Fahrenheit, water changes its phase into a solid called ice.
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Answers
Answer:
The gases will expand 8.2 L against the constant pressure of 710 torr.
Explanation:
Given that:
the original volume V₁ = 35 cm³ = 35 × 10⁻⁶ m³
Since the combustion of the mixture releases energy then :
the work W = - 775 J
Pressure = 710 torr
Since 1 torr = 133.322 Pa
710 torr = 94658.62 Pa
We all know that:
W = -PdV
-775 = - 94658.62 Pa ( V₂ - V₁ )
-775 = - 94658.62 ( V₂ - 35 × 10⁻⁶)
-775/ - 94658.62 = V₂ - 35 × 10⁻⁶
0.008187 = V₂ - 35 × 10⁻⁶
V₂ = 0.008187 + 35 × 10⁻⁶
V₂ = 0.008222 m³
The change in volume dV = V₂ - V₁
The change in volume dV = 0.008222 m³ - 35 × 10⁻⁶ m³
The change in volume dV = 0.008187 m³
To litres
The change in volume dV = 8.2 L
Thus, the gases will expand 8.2 L against the constant pressure of 710 torr.
Answers
Final answer:
Buffer capacity denotes how much acid or base a buffer solution can integrate before alterations in pH becomes significant. It is crucial in maintaining physiological activities, particularly in blood pH regulation. The substance absorbing the ions is typically a weak acid/base and their conjugates.
Explanation:
Buffer capacity is the amount of acid or base a buffer solution can accommodate before the pH is significantly pushed outside of the buffer range. Solutions that contain sizable quantities of a weak conjugate acid-base pair are known as buffer solutions. These usually experience only slight changes in pH when small amounts of acid or base are added.
A large enough addition of these substances can exceed the buffer capacity, consuming most of the conjugate pair and leading to a drastic change in pH. In living organisms, a variety of buffering systems exist to maintain the pH of blood and other fluids within a strict range between pH 7.35 and 7.45, ensuring normal physiological functioning.
The substance that absorbs the ions is usually a weak acid, which absorbs hydroxyl ions, or a weak concentrate base, which absorbs hydrogen ions. The buffer capacity is greater in solutions that contain more of this weak acid/base and their conjugates.
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Final answer:
Buffer capacity refers to the amount of acid or base that a buffer solution can absorb before experiencing a significant shift in pH, commonly by one pH unit.
Explanation:
Buffer capacity is the amount of acid or base a buffer can handle before pushing the pH outside of the buffer range. Essentially, it is a measure of a buffer's resistance to pH change upon the addition of an acid or base. Buffer capacity depends on the concentrations of the weak acid and its conjugate base present in the mixture. For instance, a solution with higher concentrations of acetic acid and sodium acetate will have a greater buffer capacity than a more dilute solution of the same components. The buffer's capacity is directly proportional to its ability to absorb strong acids or bases before there's a significant change in pH, typically defined as a shift by one pH unit.
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Answers
Answer:
vague symptoms are characteristic of an acute toxin, because of the of the lack of well defined consistency that these symptoms have in relation to the course of the disease progress.