Can vectors be inverted in this question? Enquire if it is possible to solve the...

zgribestika

zgribestika

Answered

2021-12-15

Can vectors be inverted in this question?
Enquire if it is possible to solve the below for C.
B1(xμ)=xc
Here obviously B is an invertible matrix and both c and μ are column vectors.
Would the solution be x1B1(xμ)=c is it possible to invert vectors ?
How about if it was the other way
B1(xμ)=cx
Is there any other way to do this ?

Answer & Explanation

Bubich13

Bubich13

Expert

2021-12-16Added 36 answers

Vectors, in general, cant
Melissa Moore

Melissa Moore

Expert

2021-12-17Added 32 answers

q=H, since pressure is constant
H=t1t1(HJ)=298473{20.17+0.3665(TK)}d(TK)
=(20.17)×(473298)+(0.36652)×(TK)2298473
=(3.530×103)+(2.4725×104)=2.83×104
q=H=2.83×104J=+28.3kJ
w=pcxV[2,8]. where pex=p
w=pV=(pV)[constant pressure]=(nRT)[perfect gas]=nRT
=(1.00mol)×(8.314JK1mol1)×(473K298K)=1.45×103J=1.45kJ
U=q+w=(28.3kJ)(1.45kJ)=+26.8kJ
(b) The energy and enthalpy of a perfect gas depend on temperature alone, hence it does not matter whether the temperature change is brought about at constant volume or constant pressure; H and U are the same.
H=+28.3kJ,U=+26.8kJ
Under constant volume, w=0
q=Uw=+26.8kJ
nick1337

nick1337

Expert

2021-12-27Added 573 answers

Perhaps this definition of the inverse vector will help you:
An inverse rectilinear vector a is a vector which is co-directed (in the same direction as) a vector a and differs from it in magnitude according to: 
|d|=1|a|
Projections on the coordinate axes of inverse rectilinear vectors are equal according to:
ax=axax2+ay2+az2;
ay=ayax2+ay2+az2
az=azax2+ay2+az2;

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