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When water boils interatomic bonds are broken.true false?
True. When water boils, the intermolecular hydrogen bonds between water molecules are broken, allowing them to escape as vapor.
Water decreases in volume when its temperature drops from 38 to 32 F. is this true or false?
False. Water expands when it cools from 38 to 32 degrees Fahrenheit. However, it contracts as it freezes below 32 degrees Fahrenheit.
True or false a calorie is the amount of heat energy required to raise the temperature of 1 g of water 2 degrees C?
True. A calorie is defined as the amount of heat energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.
When an atom gains electrons it becomes positively charged true or false?
False. If an atom gains or loses electrons, the result is called an ion, not a molecule.
True or false that hydrogen is the least common element in the universe?
False. Hydrogen is the most abundant element in the universe, constituting about 75% of its elemental mass.
True or false water boils at 100 degrees celsius(212 degrees Fahrenheit)?
False. Water boils at 100 degrees Celsius (212 degrees Fahrenheit) at standard atmospheric pressure. However, this can change at different elevations or if the pressure is altered.
Is it true that in order for water at 60 degrees Fahrenheit to boil it must absorb both sensible and latent heat?
Yes, for water at 60 degrees Fahrenheit to boil, it must first absorb sensible heat to reach its boiling point of 212 degrees Fahrenheit. Then it must absorb latent heat to undergo the phase change from liquid to gas. This process of absorbing both sensible and latent heat is necessary for the water to transition from a liquid state to a gaseous state.
When water boils interatomic bonds are broken.true false?
True. When water boils, the intermolecular hydrogen bonds between water molecules are broken, allowing them to escape as vapor.
Do Vascular plants have roots for absorbing water true or false?
True
Is 108 degrees an acute angle true or false?
false
In an isosceles triangle if a base angle has a measure of 43 degrees then the vertex angle must have a measure of 80 degrees as well true or false?
False because if each base angle is 43 degrees then the apex angle must be 94 degrees
Is ninety degrees Fahrenheit about 52 Celsius?
true ___________________________________________ 90 F = ( 90-32) x 5/9 C = 58 x 5/9 = 290/9 = 32.22 C
Latent trait theories hold that human development is controlled by a master trait present at birth or soon after true or false?
False. Latent trait theories suggest that human characteristics are stable across time and situations due to underlying traits, but they do not propose the presence of a single master trait controlling all aspects of development from birth or soon after. Instead, latent trait theories emphasize the consistency of traits in individuals.
Is it false that the inner core of the earth is about nine hundred degrees fanheit?
It is indeed false. The inner core is closer to ten thousand degrees.
Heat is measured in Celsius degrees true or false?
False. Heat is measured in units of energy such as calories or joules, not in degrees Celsius. Temperature, on the other hand, is measured in degrees Celsius.
True or false room temperature in centigrade degrees is 70 degrees Celsius?
false, 70 C would be extremely hot, 34C is about 112 F
The temperature of magma is between degrees Celsius?
false
