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julia-pushkina [17]
3 years ago
6

CH3OH can be synthesized by the reaction:

Chemistry
1 answer:
Leviafan [203]3 years ago
8 0

Answer:

5

Explanation:

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When one atom of hydrogen (H) combines with one atom of chlorine (CI), a polar covalent bond forms between the H and the more el
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3 years ago
Write 0.000 000 000 402 000 in scientific notation.
Rina8888 [55]

Answer:

0.000000000402000 in scientific notation is  4.02000 × 10-10

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2 years ago
In Scratch, when making the jump command for a sprite to jump if the space bar is pressed, you place the command outside the hex
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2 years ago
A piece of iron metal is heated to 155 degrees C and placed into a calorimeter that contains 50.0 mL of water at 18.7 degrees C.
Korvikt [17]

Answer:

D = 28.2g

Explanation:

Initial temperature of metal (T1) = 155°C

Initial Temperature of calorimeter (T2) = 18.7°C

Final temperature of solution (T3) = 26.4°C

Specific heat capacity of water (C2) = 4.184J/g°C

Specific heat capacity of metal (C1) = 0.444J/g°C

Volume of water = 50.0mL

Assuming no heat loss

Heat energy lost by metal = heat energy gain by water + calorimeter

Heat energy (Q) = MC∇T

M = mass

C = specific heat capacity

∇T = change in temperature

Mass of metal = M1

Mass of water = M2

Density = mass / volume

Mass = density * volume

Density of water = 1g/mL

Mass(M2) = 1 * 50

Mass = 50g

Heat loss by the metal = heat gain by water + calorimeter

M1C1(T1 - T3) = M2C2(T3 - T2)

M1 * 0.444 * (155 - 26.4) = 50 * 4.184 * (26.4 - 18.7)

0.444M1 * 128.6 = 209.2 * 7.7

57.0984M1 = 1610.84

M1 = 1610.84 / 57.0984

M1 = 28.21g

The mass of the metal is 28.21g

3 0
3 years ago
Which of the following sequences of elements would all have four valence electrons?
Svetradugi [14.3K]

Answer:

Your answer should be B.) C, Si, Ge, Sn! I hope this helps you! :)

5 0
2 years ago
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