Math
The answer according to the calculator is 15.What I think the answer is 45.
Chemistry
If 920 mL of 0.0402 M aqueous LiOH reacts stoichiometrically according to the balanced equation, what mass (g) of gaseous CO2 is required? 2 LiOH(aq) + CO2(g) → Li2CO3(aq)
chemistry
How many {\rm NO}_{2} molecules would form as products if the reaction had a percent yield of 75\%?
college physical science
jdjdj
math
t over 30
geometry
How much foil is required to cover a rectangular box that is 4in. by 8in. by 5in.? use 3.14 as an aproximation for pi. where appropriate.
geometry
in triangle abc angle b is 3 times angle a and angle c is 8degrees less than 6 times angle a?
Geometry
A regular hexagon is made from equilateral triangle by cutting along the dotted lines and removing the three smaller triangles. if triangle has a perimeter of 18, what is the perimeter of hexagon?
english
underline complete subject and complete pedicate to my sentences. The boys and girls studied different kinds of measures.
Geometry
Lines l and m have an intersection at point O and any reflection in l followed by a reflection in m results in a rotation about point O of 136 degrees. What is the acute angle between l and m? Thank you!!
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