Ocean water freezes around -2°C. At what temperature would

Q: The temperature remains constant as energy is added to a substance. How may the substance be…

A: We have to tell which option is correct

Q: Given the graph above, what is the correct boiling point for this substance? - 25 degrees Celsius 5…

A: All matter can be classified as solid, liquid, and gases mainly. In these physical states of matter,…

Q: What property of water explains why our body temperature remains essentially constant?  a. Water has…

A: 1. What property of water explains why our body temperature remains essentially constant?  Answer…

Q: The following compounds are liquids at room temperature. Which among these compounds is the MOST…

A: Viscosity: During the motion in liquid different layers of liquid will have different rates. The…

Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That…

A: Intermolecular forces refer to the type of interactions which are present within the atoms or…

Q: Cwater = 4181.3 D- liquid gas condensation vaporization gas C = 2110 Cwase = 2000e vapor C-liquid H,…

A: Q = m . C . (T2-T1)

Q: Antarctica contains 26.5 million cubic kilometers of ice. Assume the temperature is -20 degrees…

A: SOLUTION: Step 1: The density of ice at -20 degree Celsius = 920 Kg/m3 =9.2 ×1011 Kg/Km3. The volume…

Q: At the top of Mount Everest, water boils at 70  C. Explain.

A: Boiling point is temperature at which vapour pressure of liquid become equal to atmospheric pressure…

Q: How much heat is given off when 32.0 grams of steam cools from 110°C to ice at -40°C?

A:

Q: 2.2 Which substance(s) is/are liquid(s) at 400 C? 2.3 Which substance does not have a liquid phase?…

A: (2.1)Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F,…

Q: 1. Why are liquids more dense than gases? and Why are liquids harder to compress than gases?

A: The key factor in deciding the compressibility of both the mentioned physical state of matter is the…

Q: Which of the following liquids has the higher vapor pressure at 25 °C: water or mercury?

A: The temperature at which the vapor pressure at the surface of a liquid is equal to the pressure…

Q: What types of liquids can damage a penny (copper) ?

A: Liquid that can damage a penny (copper) is usually is of acidic nature.

Q: How many kilojules are required to melt 15 g of ice at 0 C, and raise the temperature of the liquid…

A: kilojules are required to melt 15 g of ice at 0 C, and raise the temperature of the liquid that…

Q: Ethyl chloride is sold as a liquid (see photo) under pressurefor use as a local skin anesthetic.…

A: Given: Ethyl chloride is sold as a liquid (see photo) under pressure for use as a local skin…

Q: What is the name of the change of state from liquid to a solid?

A: Liquid to solid phase transfer is named as freezing.

Q: Which of the following has a +AH? Condensation of a gas to a liquid O melting of a solid to a liquid…

A: Those processes, who need energy to get carried out, are called endothermic processes and have…

Q: Cl2 has A boiling point of -34 Celsius while krypton has a boiling point of -153 Celsius.  why is…

A: Cl2 has A boiling point of -34 Celsius while krypton has a boiling point of -153 Celsius

Q: Name of the liquid having solid , gas , liquid at same temperature

A:

Q: Melting point can be defined as the temperature when a solid becomes a liquid. The melting point of…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: 4.What is the name of a phase change between a solid to a liquid?  a freezing  b evaporation  c…

A: melting  Option "d" is correct.

Q: AT f water from 6°C to 56 °C g of ice that begins at -10 °C

A: Specific Heat capacity of ice ( C ) = 2.01J°C-1g-1  You can used the formula :  Heat(Q) = mass(m) •…

Q: alculate the amount of heat needed to melt 44.8 g of solid ethanol (CH,CH,OH) and bring it to a…

A: Solution-First we need to heat of fusion of ethanol-The enthalpy needed of the solid its…

Q: How do you observe water's solid and liquid density differences on a hot summer and cold winter…

A: Solid water, or ice, is less dense than liquid water.

Q: Calcium chloride has a melting point of 775 °C and a boiling point of 1935 °C. In what state of…

A: The solid substances undergo melting and boiling over room temperature. The liquid substances…

Q: Which fundamental force is responsible for chemistry and for holding solids together?

A: The fundamental force associated with electric and magnetic fields. The electromagnetic force is…

Q: What is the name of the change of state from liquid to a solid? O Freezing Vaporization O…

A: The inter-conversion of substances from one form to other  form  is basically called phase…

Q: The graph below represents the heating curve of a substance that starts as a solid below its…

A:

Q: ?Which of the following represent the current melting point and boiling point of water إختر أحد…

A: Current Melting point of water = To be determined Current Boiling point of water = To be determined

Q: Use the following to answer the next 2 questions I II III Compound HHH HHH HICIH HICICIĊ-Ċ-C-0-H 138…

A: Among the given three compounds, I, II, and III branching increases from I to III.

Q: What is the physical state of tungsten (solid, liquid, or gas) at a temperature of 5993K if the…

A: At any temperature below the melting point temperature the physical state of tungsten will be solid.…

Q: why ice has less density than water?

A: The structure of water and ice can be shown in below

Q: Formaldehyde is a disinfectant, a preservative, and a raw material for plastics manufacture. Its…

A: Melting point is a temperature at which solid changes to liquid state. Given that melting point of…

Q: Which line segment on the graph represents where a liquid is being warmed

A: Correct ans - CD EXPLANATION This graph represents the heating curve of a solid compound. Y axis…

Q: The melting point is the temperature where a solid becomes liquid. The melting point of acetone is…

A:

Q: Ice melts at a very a low temperature high temperature not really sure

A: Ice is a solid which has melting point of 0° C

Q: What is the name of a phase change between a gas into a liquid?  a condensation  b evaporating  c…

A: When a gas change into a liquid,the phenomenon is  called condensation.

Q: ow do liquid m

A: The liquid is the states of matter The particle of the liquid has space between them more than solid…

Q: At a constant pressure of 10.0 atm, solid is gradually heated from -80°C to 20°C. Which of the…

A: Option b is correct

Q: Which term means a phase change from gas to solid? O sublimation O condensation o vaporization O…

A: Which term used to phase change from gas to solid?

Q: Question 10 Which of the following refers to the phase transition from liquid to vapor? Sublimation…

A:

Q: The graph below represents the heating curve of a substance that starts as a solid below its…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: How do solids and liquids behave differently?

A: Solid and liquid are two different states of a matter

Q: the heat of fusion is the amount of energy needed to melt a substance For what water is 333 joules/1…

A: Heat is required to convert ice to water.  This heat is called heat of fusion.

Q: Which of the two liquids is denser; if combined, which liquid would sink, which would float?

A: Here no liquid is given .

Q: Water in a well boils at 75°C at a certain depth in water. At what temperature in °C the water will…

A: We know that, Enthalpy of vaporisation of water = 40.5 kJ/mol Water boils at 75°C ( at some pressure…

Q: Use the diagram to anwer the questions below. 1 atm B A D 0.006 atm - 25 0.01 25 100 T Match the…

A: In any phase diagram, 1) The region between the y axis and curve is the solid phase region 2) The…