Count the significant digits in each of these measurements: number of measurement significant digits X 7300. kg ☐ 5.3 X 10 -3 mL ☐ 0.009900 J ☐ -1 - 5.0 x 10 kJ/mol ☐
Q: How does the specific heat of water compare with that of various metals? Why?
A: Specific heat can be defined as the amount of heat that is added or release from any substance to…
Q: What happens to atoms and molecules as there temperature increases?
A: The heat energy absorption by a mass particle increases it's temperature
Q: atoms ever in contact
A: Atoms are the fundamental unit of matter. An atom is made up of a central core nucleus and one or…
Q: Choose the BEST answer to the following: Thermal conduction mainly involves (a) electrons. (b)…
A: Step 1Metals such as steel, copper and aluminum are excellent thermal conductors.
Q: Early airships—craft that relied on large volumes of low-density gas to rise from the ground—were…
A: Early airships—craft that relied on large volumes of low-density gas to rise from the ground—were…
Q: C Time (minutes) Temperature ("C)
A: We have been given is the Temperature time graph. We have to discuss about the kinetic…
Q: Atoms are made up of even tinier subatomic particles called _____________, _____________, and…
A: An atom is the smallest unit of matter. It is composed of three subatomic particles. They are…
Q: A bimetallic strip is made up of welded togelher O Two different metals that expand and contract…
A: A bimetallic strip, We are asked about what kind of metals are used to make a bimetallic strip.
Q: Hii, I want to ask how final body temperature was calculated in step 1?
A: Solution:-Final temperature is the temperature when irreversible body damage will start occuring.
Q: Do 10 grams of oxygen atoms and 10 grams of iron atoms contain the same number of particles?
A:
Q: How would you describe the solid-state in terms of motion (ability to move in space and speed) and…
A: In solid state or in solids atoms are tightly packed and are not moving at all rather their…
Q: According to Boyle's, when volume increases, pressure decreases. [Choose ]
A: According to boyle's when volume increases, pressure decreases.
Q: What is rectifier?
A: The rectifier is an electrical device that converts alternating current (AC) to direct current (DC).…
Q: An electoric bulb draws a curnent of 0.26 A for 28 månytes. Calcudate the amount of electsijc charge…
A: Given Current through bulb = 0.26 A time taken = 28 minutes We have to calculate the amount of…
Q: In terms of conservation of total enrgy, what happens to the lost kinetic energy?
A: The total mechanical energy of an isolated system is always conserved. The total mechanical energy…
Q: Can volumetric or electrogravimetric methods be used to measure the amount of lead in water?
A: Amount of lead in water
Q: What is the difference between an intensive and an extensive state of matter?
A:
Q: Most metals, like iron, are corroded easily, discuss why aluminum does not corrode even when exposed…
A: Most metals like iron, copper, even inert metals like silver do corrode when exposed to air for…
Q: xplain Seebeck effect of a thermocouple.
A: A thermo couple means the combination of two metal rods or wires which are joined parallel to each…
Q: Find the moment find the moment of inertia of a 2 kg Mass attached to a rope of length L = 0.75m.
A: Given : Mass=m=2 kg Radius of Circle=Length of rope=L=0.75 m
Q: Why are the Atoms and molecules in a gas are typically widely separated?
A: The forces which holds atoms or molecules together is called intermolecular forces. Types of…
Q: Does potential energy increase or decrease when two atoms are repealing? Does potential energy…
A: Given, Case (1) Two atoms repel each other. Case (2) Two atoms attract each other. Find either…
Q: Wet air is less dense than dry air, but wet hydrogen is more dense than dry hydrogen. explain why…
A:
Q: Ohmmeters are used for?
A:
Q: Discuss which contains more atoms: 1 kg of lead or 1 kg of aluminum.
A:
Q: Find Vams of Maxuell- Bdtanmen distabution for Hyclrogn at a9ok dhd ane mole of hydrogen has 2g masa…
A: Molar mass of hydrogen gas M=2 g=2*10-3kg, temperature of the hydrogen gas T=290 K and universal gas…
Q: Mention its advanatges and disadvantages of constant volume hydrogen thermometer.
A: In the constant volume thermometer , the volume of the gas is kept constant and the change in…
Q: How does our body react to hot or cold substances? Explain
A: We need to explain how our body react to hot or cold substances. Let's understand each one by one…
Q: The sum of the kinetic and potential energies of a system's atoms and molecules calculates the blank…
A: To identify : The sum of kinetic and potential energies of system's atoms and molecules
Q: what A mue of carbun dioxide has a muss of 44 grams, uhat wauld the voume of 1 ka of Carbendioxide…
A:
Q: Two small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a…
A:
Q: If a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of cream from…
A: Given that a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of…
Q: Can we do this by tip to tail rule ? if yes pplease explain
A: Yes , we can do this by tip to tail rule. We could do this by arranging each vector to tip to tail…
Q: What substance is found to be liquid under pressured conditions but is gaseous in normal atmospheric…
A: In 1 In the question first they are asking about the substance which is liquid under pressure…
Q: Discuss the function of a photovoltaic cell. What does it produce from what?
A: The fundamental thought behind photovoltaic (or 'sun powered') cells is quite straightforward. To…
Step by step
Solved in 3 steps with 4 images