Pick a substance expected to have the lowest boiling point? O A. sodium nitrate, NANO3 B. diamond O C. methane, CH4 O D. glycerine, C3H5(OH)3 O E. copper

Q: The boiling point of benzene is 80°C. Which pair of samples will have the same average kinetic…

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Q: Water melts at 0°C. A student observes a liquid that melts at 10°C. Which conclusion can the student…

A: Melting point is the temperature at which a solid melts.  It depends on - Composition of molecule…

Q: List the following elements in order from lowest boiling point to highest lowest boiling point…

A: Boiling point of substance depends upon the primary forces as well as secondary forces present in…

Q: Use the information provided to calculate the quantity of heat (in kJ) required to convert 73.4675 g…

A: the question is based on the concept of Hess law. according to Hess law,  net enthalpy change for…

Q: Calculate the amount of energy given off when 13g of water at 51° C freezes to ice at 0°C. Did a…

A: At 51°C , water is in liquid phase, so first there would be cooling of water from 51°C to its…

Q: The specific heat of silicon is 700J/kg/oC, how much energy is needed to raise a 14g of silicon by…

A: Given, The specific heat capacity of silicon [Cp] = 700J/kg•°C = 0.7 J/(g•°C) Mass of the silicon…

Q: A hypothetical metal has a theoretical density of 12.44 g/cm3. This metal adopts a cubic crystal…

A: Density is defined as mass per unit volume. For a crystal, the density is calculated by the formula…

Q: Naphthalene is the main ingredient in mothballs and gives mothballs their characteristic smell.…

A: Sublimation is the process of changing the phase of a substance directly from solid to gas. The…

Q: 5. Assume that the particles in table salt (NaCl) vibrate just as forcefully as the particles in…

A: The reason for this difference in behavior is related to the strength of the bonds between the atoms…

Q: Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3…

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Q: 3. Calculate the amount of energy absorbed when 42 g of water at 21°C heats to 94°C. Did a phase…

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Q: Please help me

A: The process of releasing heat is called exothermic and the process of absorbing heat is called…

Q: The specific heat of lead is 0.13 J/g oC.  How many joules of heat would be required to raise the…

A: Given, Specific heat of lead (Cp) = 0.13 J/goC. Mass of lead (m) = 35g Initial temperature (T1) = 22…

Q: You want to prepare cold apple juice for your family. Unfortunately, you forgot to put the apple…

A: Since apple juice is at a higher temperature, it will receive heat and ice will release heat and at…

Q: How much heat is required to convert solid ice with a mass of 960 g at a temperature of -10.0 °C to…

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and…

Q: The evaporation of water is endothermic:         H2O(l)  + 44.01 kJ   -------->   H2O(g)       If…

A: To find mass of water that will evaporate.

Q: Why does a gas have more potential energy than a liquid? O a O b O Od с Potential energy increases…

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Q: Use the information provided below to calculate the quantity of heat (in kJ) required to convert…

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Q: How many joules of heat are absorbed when 1000g of water is heated from 18oC to 85oC? The specific…

A: We have to find how many joules of heat are absorbed when 1000g of water is heated from 18oC to…

Q: An electric heater is used to supply 52.2 J of energy to a 23.0-g graphite block with an initial…

A: Supplied energy

Q: Use the information provided to calculate the quantity of heat (in kJ) required to convert 70.912 g…

A: A compound will absorb energy to reach a high temperature, however, it will release energy to reach…

Q: Data you may need: 1 cal = 4.18 Joules ; density of water = 1g/mL Burning ethanol can be used as…

A: The amount of energy required liquid substance to transform into a gas is called Enthalpy of…

Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

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Q: Malleability Brittle (Malleable means- (it shatters or cracks when Element Symbo Physical…

A: Each element present our periodic table has characteristic physical and chemical properties.…

Q: Calculate the value at Ko for the hypothetical reaction: Q(g) + 2X(g) = M(g)

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Q: The reaction shown below represents the formation reaction of water. 2 H2 (g)   +   O2 (g)   →   2…

A: The solution is as follows :

Q: A 25.0 g sample of molten iron releases 1230 cal as it cools from 2000 °C to its freezing point,…

A: Iron at 20000C is in its molten state.

Q: If the temperature of a neutral flame (equal proportions of oxygen and acetylene) is 3460 °F, what…

A: Temperature is the degree of hotness or coldness of a substance.Different units are used to measure…

Q: What is happening to the water molecules at segment F? C A D E G Time Freezing, the water molecules…

A: from C point to G point there is a conversion of vapours to solid.  Let us study each point, one by…

Q: Olive oil lowers “bad” (lower density lipids). Olive oil melts at -6.60 0C and boils at 300.00 0C.…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: The melting and boiling points of compound A are 245 °C and 373 °C, respectively, and those of…

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Q: What is latent heat of condensation?

A: Condensation: It is the transformation of water vapor into liquid. It's the opposite of evaporation,…