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What is the melting and the boiling point of brass in degrees Celsius and Fahrenheit and kelvin?
Brass consists of copper and zinc ordinary yellow brass, 67% - 33% respectively, MP= 940C, 1213K, 1724F ordinary red brass, 90% - 10% resp., MP= 1050C, 1323K, 1922F other forms are in between. The boiling point, initially is assumed Zinc boiling point, 907C, 1180K, 1665F However as it is hard to expect BP below MP, then I would say the BP of brass is very near its MP, in other words, Zinc vapor exists in parallel with liquid brass. final boiling point is assumed Copper boiling point, 2336C, 2609K, 4237F
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.
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.
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
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 winter in Melbourne in June, but after autumn it's my favourite time of year. The average daily maximum temperature is 13.6 degrees Celsius, and the average daily minimum is 6.2 degrees Celsius. On average you can expect about 8 days of rain.
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 starch was incubated with amylase at 0 degrees celsius would you expect to see any starch digestion?
no
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.
