70 Answered Questions for the topic Temperature
Temperature Calculus nEED HELP ASAP PLS!
The temperature of a cup of coffee varies according to Newton's Law of Cooling: , where T is the temperature of the coffee, A is the room temperature, and k is a positive constant. If the coffee... more
Science help? Anything will help.
What is the total amount of energy emitted by an object with a temperature of 134°F? HINT: convert to degrees Kelvin before applying to the formula and round answer to the nearest tenth
Rate of reaction question
I. Increasing the temperature increases the rate of a chemical reaction BECAUSE II. the activation energy is lowered. A) I is TRUE, II is FALSE B) I is FALSE, II is TRUE C) I and II are BOTH FALSE... more
Chemistry problem about gas laws
Determine the temperature of the gas that has the following properties:R = 0.08205 L•atm/mol•K.P = 2.07 atmV = 32.8 Ln = 2.88 molI know the formula is R=(L.atm)/(mol.K) but i know the R and it is... more
Chemistry exercise about gas laws
A sample of gas has an initial volume of 545 mL and an initial temperature of 298 K. If the volume is changed to 495 mL, what is the new temperature? Assume pressure and amount remain constant.... more
The specific heat of water is relatively high. This means that...
It takes a relatively small amount of energy to change its temperature.It tends to stabilize the temperatures of nearby land.It tends to destabilize the temperatures of nearby land, subjecting it... more
A coffee cup has a heat capacity of 62.6J∘C. If the coffee cup's temperature increases by 1.20∘C, how much heat has it absorbed?
Round your answer to the nearest tenth.
An unknown metal absorbs 23.8J of heat, and its temperature increases by 15.4∘C. What is the heat capacity of the metal?
Round your answer to two decimal places.
Why do certain areas on Earth have a higher or lower air pressure at sea level?
For instance, looking at [this map of world air pressure in January](http://www.mapsofworld.com/world-maps/wind-and-pressure-jan-enlarge-map1.html) and [this map of... more
Cold water sour taste?
Recently I underwent a wisdom tooth extraction, and while there is still numbness I have observed something peculiar. If I drink cold water, it tastes sour, however the same effect is not observed... more
Why are there different vertical gradients of temperature in different layers of the atmosphere?
The temperature of the troposphere decreases with altitude whereas it is opposite in the stratosphere and again fluctuates. Why is this so?
How is temperature sensed?
Can anyone summarize the mechanism by which when an object of a given temperature is placed in contact with, say, the skin on a human fingertip, the average speed of the particles of the object is... more
How does water buffer a sudden drop in temperature?
A property of water is that it is slow to heat and cool. According to my biology book, some energy from an increase in temperature would spent breaking hydrogen bonds, so that temperature does not... more
What is the benefit of fever during infections?
When people get sick, they often develop a fever. What is the effect of an increased body temperature on viruses and bacteria in the body? Is it beneficial to the infected body? Importantly, often... more
July/August hottest months (northern hemisphere): because of continued warming or other effects?
In the northern hemisphere, July and August are the hottest months statistically<sup>1</sup>, but the days start shortening after June 21st. Is this just because the Northern... more
Are cloudy nights warmer than nights without clouds?
I have noticed this winter that nights without clouds (especially when the 12h before the night where not cloudy) were way colder than the cloudy ones. It makes sense to me because the clouds can... more
What's the maximum and minimum temperature a human can survive?
This is a question that has been in my mind since I was a kid. I'm not a doctor, nor even a biology student, just a curious person. What is the minimum and maximum temperature a human body can... more
What is the volume of oxygen gas (in Liters) that will be produced if 3.5 g H_2O will react at a pressure of 119 kPa and temperature of 35 degrees Celsius?
According that H_2O reacts with Na_2O_2 according to the following equation:2Na_2O_2 + 2H_2O yields 4NaOH + 1O_2
if the temperature was 7 degrees below zero at 5 am and increased 13 degrees what temperature is it now
How to determine the temperature range at which carbon can reduce iron (III) oxide to iron?
3 Fe2O3 (s) + 3 C (s) --> 4 Fe (s) + 3 CO2 (g) Is there a certain equation that is used to determine the temperature range? I have calculated the ΔHrxnº, ΔSrxnº, ΔGrxnº I'm not sure if... more
What is the temperature of water if it started at 108.6 and it sat for 10 minutes
for a project
In the nineteenth century, explorers used the boiling point of water to estimate altitude. The boiling temperature of water T (in F) can be approximated by the model T = -1.83a+212, where a is the... more
temperature is to density like a ______ is to a _______.
those spots are supposed to be blank can you fill them in with answers
When steve woke up. His temperature was 102°f. Two hours later it was 3°.what was his temperature then ?