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3 years ago

When four atomic orbitals are mixed to form hybrid orbitals, how many hybrid orbitals are formed?

Physics

2 answers:

lilavasa [31]3 years ago

6 0

When four atomic orbitals are mixed to form hybrid orbitals, 4 x sp3 hybrid orbitals are formed.

Carbon's 2s and all three of its 3p orbitals hybridize to form four sp3 orbitals. These orbitals then bond with four hydrogen atoms through sp3-s orbital overlap, creating methane.

Snezhnost [94]3 years ago

5 0

Answer:

Four

Explanation:

When atomic orbitals are combined, hybrid orbitals are formed. Hybrid orbitals exist only in covalent-bonded atoms and not in isolated atoms. The shapes and orientations of hybrids are different from that of atomic orbitals. The number of hybrid orbitals is same as the number of atomic orbitals that combined to form atomic orbitals. Thus, when 4 atomic orbitals are mixed then 4 hybrid orbitals are formed.

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Read 2 more answers

A student throws a set of keys vertically upward to her sorority sister, who is in a window 3.50 m above. The second student cat

Mkey [24]

Answer:

a) 8.58 m/s upward

b) -2.211 m/s downward

Explanation:

Let gravitational acceleration g = -9.81m/s2. This is negative because it deceleration the upward motion of the key.

(a)We have the following equation of motion

$s = v_0t + gt^2/2$

where $v_0$ is the initial upward velocity of the keys, t = 1.1s is the time it takes for the keys to travel a distance of s = 3.5 m

$3.5 = v_01.1 - 9.81*1.1^2/2$

$3.5 = 1.1v_0 - 5.94$

$1.1v_0 = 3.5 + 5.94 = 9.44$

$v_0 = 9.44 / 1.1 = 8.58 m/s$

So the keys were thrown initially upward with a speed of 8.58 m/s

(b) If the initial velocity of the key is 8.58 m/s and it is subjected to a deceleration of 9.81m/s2 for 1.1s then the velocity right at the 1.1s instant is

$v = v_0 + gt = 8.58 - 9.81*1.1 = -2.211 m/s$

So they keys would have a downward speed of 2.211 m/s

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3 years ago