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What is the melting and the boiling point of brass in degrees Celsius and Fahrenheit and kelvin?
The freezing point of water (H2O) is 0 C, 32 F and 273 K The boiling point of water (H2O) is 100 C, 212 F and 373 K The three temperature scales are related as follows where C is the temperature in Celsius, K the temperature in Kelvin and F the temperature in degrees Fahrenheit: C = K - 273 C = 5/8 x (F - 32) K = C + 273 K = [5/8 x (F - 32)] + 273 F = (8/5 x C) + 32 F = [8/5 x (K - 273)] + 32 Ice melts into water at 32 degrees. Water doesn't melt it evaporates
What is the mass of BeC2O4 if 3.21g of BeC2O4-3H2O is heated to 220 degrees Celsius?
BeC2O4 = 97.0 g/1 mol BeC2O4-3H2O = 151.0 g/1 mol 3.21 g BeC2O4-3H2O * 1 mol/151.0 g = 0.021258 mol BeC2O4-3H2O 0.021258 mol BeC2O4-3H2O * 97.0 g/1 mol = 2.06 g BeC2O4
Which situation would you expect to find in the air directly above an asphalt parking lot?
The air temperature above the parking lot would be warm.
When you put one hand in hot water and one in cold water then both in tap water what do you expect to feel why?
It depends on the temperature of the tap water.
If You wrap a wire around a piece of iron. If you slowly increase the strength of an electric current flowing through the wire you would expect .?
The temperature of the wire will increase and eventually like the "straw breaking the camel's back" the wire will fail if you apply enough current. It is like exceeding the current in a fuse, the wire essentially disintegrates.
Would you expect to get the same value for the density of a liquid at 20 degrees Celsius and at 40 degrees Celsius?
No, the density of a liquid usually decreases as temperature increases because rising temperature causes molecules to spread out. Therefore, you would generally expect the density of a liquid to be lower at 40 degrees Celsius compared to 20 degrees Celsius.
If the temperature at sea level were 23 degrees Celsius what would the air temperature be at the height of 2 kilometers under average conditions?
The average decrease in temperature with altitude is around 6.5 degrees Celsius per kilometer, known as the lapse rate. At 2 kilometers above sea level, we would expect the temperature to be approximately 10 degrees Celsius lower than at sea level. Therefore, at a height of 2 kilometers, the air temperature would be around 13 degrees Celsius under average conditions.
What value do you expect for the absolute zero temperature for different gases?
The value of absolute zero temperature is the same for all gases, which is -273.15 degrees Celsius or 0 Kelvin.
If a starch was incubated with amylase at zero degrees Celsius would you expect to see any starch?
No, amylase is not active at such a low temperature and would not be able to break down the starch into simpler sugars. Therefore, you would not expect to see any significant digestion of starch at zero degrees Celsius.
In Perth what is the average temperature in summer?
At the moment (February) it is summer time in Perth Western Australia. 37 degrees celsius today. In February we can expect temperatures in the 40 degree mark.
What is the temperature in Melbourne in June?
It's summer in Melbourne in December. The average daily maximum temperature is 24.4 degrees Celsius. The average daily minimum temperature is 12 degrees Celsius. However, because of the nature of southern Australia, Melbourne rarely actually experiences its official average of 24 degrees Celsius. During December, temperatures easily reach in excess of 36 degrees, exceeding this on occasion, and heatwaves lasting several weeks are quite common. When summer storms sweep in, the temperature can suddenly drop up to 14 degrees in just half an hour.
What type of precipitation occurs at 25 degrees celsius?
At 25 degrees Celsius, the most likely type of precipitation would be rain. Snow and sleet typically occur at temperatures below freezing (0 degrees Celsius), while hail usually forms within severe thunderstorms.
Why is the surface temperature of an iceberg is always 0 degrees celsius?
The temperature required for water to freeze is 0 C , so you would expect an iceberg to be no greater then 0 C but there is no reason why it can't be less then 0.
What type of precipitation is 16 degrees Celsius and 61 degrees Fahrenheit?
Well, it would have to be rain since the temperature is above freezing. BTW - maybe you knew this already - 16oC is equivalent to 61oF
If bacteria used in an experiment - were kept at a temperature of 100 degree Celsius - would you expect the population sizes to increase even faster than at 15 degree Celsius?
No, bacteria generally thrive at moderate temperatures that fall within their optimal growth range. A temperature of 100 degrees Celsius would likely be too high and could lead to cell damage or death, inhibiting bacterial growth. Population sizes would not increase faster at this extreme temperature compared to 15 degrees Celsius.
If the optimum temperature for lactase is 37 degrees C at what temperature would you expect the enzyme to denature?
Enzymes, including lactase, typically begin to denature at temperatures significantly above their optimum. For lactase, which has an optimum temperature of 37 degrees Celsius, denaturation may start occurring around 45-50 degrees Celsius. However, the exact temperature can vary depending on the specific enzyme and environmental conditions. Prolonged exposure to high temperatures can lead to irreversible denaturation, causing a loss of enzymatic activity.
What pressure would you expect in a rigid container of 0 degrees Celsius gas if you cooled it by 273 degrees Celsius?
The pressure would decrease to zero because a gas at 0 degrees Celsius is frozen, and frozen gas does not exert any pressure due to lack of molecular motion.
