How does our body react to hot or cold substances? Explain

Q: Sketch Vo and J 10 K (tzz) -10 Fec )

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Q: Can carbon dioxide be liquefied at room temperature (20ºC)? If so, how? If not, why not?

A: Introduction: Liquefaction of gases is defined as the conversion of states of gas from the liquid…

Q: On planet Tralfamadore the cool atmosphere is rich in froklom molecules. Spherical life forms called…

A:

Q: Describe the three stage of matter that are typically encountered on a daily basis. How are they…

A: The three stages of matter that are typically encountered on daily basis are solid, liquid and gas.…

Q: how many particles are there in a glass of water? defend or explain

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Q: Hence, an increase in temperature increases the rate primarily because of the increased frequency of…

A: In this question we have to answer some questions related to collisions. Please give positive…

Q: What is compound

A: A chemical compound is a chemical substance composed of many identical molecules composed of atoms…

Q: A certain monatomic gas has specific heat Cv=0.0356 kcal/kg.Co, which changes little over a wide…

A: Given, Cv=0.0356kcal/kgC°

Q: DETAILS der the figure below. SERCP9 4.P.017.SOLN.

A: GivenW=676 Nθ=31°

Q: How many moles of atoms are present in 1 mole of water?

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Q: 100 calories while walking a mile at a fairly brisk pace. How many miles per day would an average…

A: Brick pace means 100 steps per minute or 3 to 3.5 miles per hour Let consider 1 miles per hour…

Q: An ice cube with a mass of 45.8 g at 0.0 ∘C is added to a glass containing 4.50×102 g of water at…

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Q: Hydrogen escapes from the earth's atmosphere more readily than oxygen, Why?

A: As hydrogen has the least mass among all the elements, its mass is less than that of oxygen as…

Q: What is difference between Stefan's law and Newtin cooling law?

A: the steffan Boltzmann law deals with the radiation heat exchange and the Newton's law of cooling is…

Q: 07:1 g of matter is converted into energy. Then how much energy is liberated?

A: Given data The mass of the matter is m = 1 g = 10-3 kg

Q: According to Hess, the change in enthalpy for any chemical reaction is the same whether the reaction…

A: Hess’ law also known as Hess’s law of constant heat summation states, “at constant temperature, heat…

Q: 4. How much energy is required to heat 7.5 kg of ice from -30 oC to steam at 200 oC?

A: Given data, Mass of ice (m)= 7.5 kg Temperature of ice (T1)=-30 oC  Temperature of steam (T2)= 200…

Q: 30 0-5F 0.4F 5V Ta Te C4 Cs Find C

A: Given : Voltage = 5 V             Charge Q = 3 C

Q: Why do metals feel cold even when they are at room temperature?

A: Metals feel cold

Q: Which of the following statements are true about gas particles? Select all that apply.

A: Points and observations from Kinetic  Theory will be used to clearly answer all above points.

Q: How does microwave cooking differ from conventional cooking?

A: Given:  micowave cooking and conventional cooking

Q: Why the coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different…

A: Reason:The coolant in a chemical or nuclear plant should have a hogh specific heat beacuse Higher…

Q: How many O atoms of mass 15.99 amu are in 15.99 g of oxygen?

A: In 15.99 g of O, 15.99 g15.99 g/mol = 1 mole So, there is 1 mole of Oxygen in 15.99 g of O. We know…

Q: A simple model for car- bon dioxide consists of

A: from the following relation ω = 2π f and also ω2 =  k/m here  ω = angular frequency f = linear…

Q: How much energy (in J) is required to evaporate 25% of 4g of water currently at 100 oC? (Fundamental…

A: The amount of energy required to convert m gram 100°C water to 100°C steam is E=mL where, L= latent…

Q: Which contains the most moles: 10.0 gg of hydrogen gas, 100 gg of carbon, or 500 gg of lead?

A: Let M be the mass of the element, Mmol be the molar mass of element.Write the expression for the…

Q: What Is Activation Energy? How Is It Calculated?

A: Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or…

Q: QUESTION 11 The phase of matter that keeps shape and has the atoms bonded together is: plasma gas

A: Correct answer is :

Q: Explain why an egg cooks more slowly in boiling water in Denver than in New York City.

A: New York City is lies along the ocean level while Denver city is about 1 mile from ocean level.…

Q: What are physical changes of matter

A: To define: Physical changes of matter

Q: Already posted this question... still confused. The person who answered it before doesnt explain how…

A: the latent heat of vaporisation of water is 2260 joules/grams.in this case the steam releases latent…

Q: Our sun, currently a yellow dwarf, will eventually evolve to a red giant star and then to a white…

A: Assume that the sun radiates like a blackbody, Stefan-Boltzmann law, P = σAT4where, σ is…

Q: The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts…

A: Specific heat is the property of every substance which tells us about the amount of heat energy…

Q: What is kinetic theory of matter? Why is it called so?

A: Kinetic theory of matter is also known as kinetic-molecular theory and the kinetic theory of gases.

Q: Discuss in terms of physics why restaurants serve baked potatoes wrapped in aluminum foil.

A: To increase the time that the potatoes remain hot after being removed from the oven is the main…

Q: Hyperthermia of 5°C (i.e., 5°C rise above the normal body temperature) is considered fatal. Express…

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Q: Indigenous people sometimes cook in watertight baskets by placing hot rocks into water to bring it…

A: Given data: The initial temperature of rock, Tri=500 °C. The mass of water, mw=4 kg. The initial…

Q: What is the equation of state for 16 Kg of O2.

A: According to ideal gas equation, the product of pressure and volume is equal to the product of…

Q: Stan Moneymaker needs 15 gallons of gasoline to top off his automobile’s gas tank. If he drives an…

A: Max capacity = 15 gallons  Price that can be saved per gallon = $ 0.10 Mileage = 25 mpg  Cost to…

Q: Arent you gonna convert 8000ft-lb to btu first?

A: Yes we have to convert lb-ft to btu as these are different unit. 1ft-lb = 0.00129 btu  8000 ft-lb =…

Q: how many joules would be absorbed for the water?

A: Onc Calorie is equal to 4.2 Joules Here water needs 5000 Calories to get heated from 20 degrees…

Q: What are three different states of matter those exist in the world? Name them. Describe their…

A: There are three different states of matter. 1. Solids  2. Liquids 3. Gas