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Law Incorporation [45]
3 years ago
14

Two unknown elements react to form a single compound. The compound is shiny and malleable. What would you expect to be true abou

t the compound produced?
A.
The compound will probably have properties of both elements like a metalloid.

B.
The compound will probably have high boiling points and melting points and will be conductive in solution.

C.
The compound will probably have low boiling and melting points and will not be conductive in solution.

D.
The compound will probably have high boiling and melting points and will not be conductive in solution.
Chemistry
2 answers:
Fed [463]3 years ago
7 0
I believe the answer is B
mamaluj [8]3 years ago
3 0

Answer:

B

Explanation:

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Volume of a gas at STP, if its volume is 80.0 mL at 1.08 atm and –12.5oC.
vodomira [7]

Answer:

90.5mL is the volume of the gas at STP

Explanation:

It is possible to find volume of a gas when conditions of temperature and pressure change using combined gas law:

\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}

Where P is pressure, V is volume and T is absolute temperature. 1 is initial conditions and 2 final conditions.

If initial conditions are 1.08atm, 80.0mL and absolute temperature is (-12.5°C + 273.15) = 260.65K.

And STP are 1atm of pressure and 273.15K of absolute temperature. Replacing:

\frac{1.08atm80.0mL}{260.65K} =\frac{1atmV_2}{273.15K}

V₂ = <em>90.5mL is the volume of the gas at STP</em>

7 0
3 years ago
Read 2 more answers
3. Theoretically how many grams of magnesium is required to produce to 5.0 g of
FinnZ [79.3K]

Answer:

3grams

Explanation:

The reaction for the production of Magnesium dioxide will be

Mg + O2  → MgO

we have 5g of MgO (molar mass 40g)

no of moles of MgO = 5/40 = 0.125

Using unitary method we have

1 mole of Mg require 1 mole of MgO

0.125 Mole of MgO = 0.125mole of Mg

n = given mass /molar mass

0.125 = mass / molar mass

mass = 0.125* 24 = 3grams

8 0
3 years ago
If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed?
Colt1911 [192]
D 4 grams
i need to write a couple more character for explanation so there
8 0
3 years ago
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Using the clausius clapeyron equation determines the heat of vaporization from experimental measurements of vapor pressure. the
Temka [501]
The temperature of the pressure is 255
4 0
3 years ago
According to the activity series, which one of the following reactions will occur?
Korvikt [17]

Answer:

i think

SrF2 + Br2 --->

dont count me on it

Explanation:

balanced

3 0
4 years ago
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