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Hoochie [10]
3 years ago
6

What happens to ice as it warms up

Chemistry
1 answer:
omeli [17]3 years ago
6 0
<span>When you add ice to hot water, some of the water’s heat melts the ice. The remaining heat warms the ice-cold water but cools the hot water in the process. You can calculate the mixture’s final temperature if you know how much hot water you started with, along with its temperature and how much ice you added. Two physical properties -- the specific heat and the heat of fusion -- determine exactly how the ice melts and the water cools.</span>
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To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.6-L bulb, then filled
snow_tiger [21]

Answer:

The chemical formula of the gas is N_2.

Explanation:

The difference between the container with gas and empty container is equal to the mass of the gas.

Let the gas be X_2

Mass of the gas = m

Molar mass of diatomic gas = M

Pressure of the gas = P = 1.80 atm

Volume of the gas = V = 4.6 L

Temperature of the gas= T = 27.0 C = 27.0 + 273 K = 300 K

Moles of diatomic gas = n = \frac{m}{M}

Using ideal gas equation:

PV=nRT

PV=\frac{m}{M}RT

M=\frac{mRT}{PV}=\frac{9.5 grams \times 0.0821 atm L/mol K\times 300 K}{1.80 atm\times 4.6 L}=28.26 g/mol\approx 28 g/mol

Atomic mass of the element X = \frac{28 g/mol}{2}=14 g/mol

The element is nitrogen and the diatomic gas is N_2.

5 0
3 years ago
What's the specific heat of water?
natita [175]

it is over 32 degrees Fahrenheit (freezing), and below 120 degrees Fahrenheit (boiling)

8 0
3 years ago
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One way a machine can make work easier is by?
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6 0
4 years ago
How many grams are in .98 mols of C6H12O6 (*round to the nearest hundredth and include the unit "g C6H12O6" after your number)
Mnenie [13.5K]
Find 1 mol
6C = 12*6 = 72
12H=1*12 = 12
O6 = 16*6 = 96
Total = 180 grams

0.98 mol
0.98 * 180 = 176.40 My answer would have to go out to 176.40

Note: anyone responding will use rounded numbers for the atomic mass. All periodic tables have variations in them. Use your periodic table to get the better atomic mass.

Answer
176.40 g C6H12O6 <<<<
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4 years ago
hỗn hợp E gồm 6 este có cùng CTPT C8H8O2 và đều chứa vòng benzen. Cho 68g phản ứng tối đa với V ml dd NaOH 1M đun nống, thu được
Lubov Fominskaja [6]

Explanation:

just a few days ago and I have a

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