What is the outcome of the experoment?

Is this a balanced equation?

lesantik [10]

Answer: NO

Explanation:

7 0

3 years ago

Read 2 more answers

Helium is a colourless, odorless used in bolloons. Calculate . the pressure Cin atm) exerted by 1.82 mous of gas in a steel vess

loris [4]

Answer:

9.59 atm

Explanation:

Use ideal gas law PV = n RT

V = 5.34 L n = 1.82 mole T = ( 69.58+ 273.15) = 342.73 K

R = .082057 L-Atm/(K - mole)

P = n RT / V = 9.59 Atm

4 0

2 years ago

In a system with 4 atoms and 1 lone pair, predict whether the lone pair will be in a B site or an A site? Explain.

Maslowich

Answer:

B

Explanation:

The compound corresponds to a molecule AX4E where A is the Central atom, X are the other atoms present and E is the lone pair of electrons.

The shape of this molecule is based on a trigonal bipyramid since the molecule contains five electron domains.

Since there are four bond pairs and one lone pair, the molecular geometry is see-saw with equatorial bond angle <120° and axial bond angle <90°.

For AX4E (five electron pairs), the lone pair should occupy an equatorial position instead of an axial position since the equatorial position has two neighboring electron pairs that are positioned at about 90° apart from each other and two other neighboring electron pairs that are positioned at 120° from each other. The axial position has 3 neighboring electron pairs positioned at 90° from each other and another neighboring electron pair positioned at 120°. Hence the equatorial position experiences lesser repulsion compared to the axial position.

Hence in the structure pictured in the question, position B is a preferred position for the lone pair instead of position A.

8 0

3 years ago

How can you find out if a unknown is an acid or base?

drek231 [11]

If the number of hydrogens has decreased that substance is acid .if the number of hydrogens has increased that substance is a base .

5 0

2 years ago

A cannonball is launched from the ground with 48,279 Joules of kinetic energy. How much gravitational potential energy (GPE) wil

VashaNatasha [74]

Given :

A cannonball is launched from the ground with 48,279 Joules of kinetic energy.

To Find :

What is the gravitational potential energy (GPE) will the cannonball hold when it has reached its highest height .

Solution :

We know , in this given case only one force is applied on the body which is gravitational force .

Now , we also know that gravitational force is a conservative force.

Also , total energy is conserved in system when only conservative force is applied in system .

So , total energy will be conserved .

We know, K.E will be max when P.E is zero i.e on ground .

And P.E will be max at maximum height .

So , $K.E_{h=0}=P.E_{h_max}$

Therefore , the gravitational potential energy (GPE) will the cannonball hold when it has reached its highest height is 48,279 Joules .

Hence , this is the required solution .

7 0

3 years ago