jamesbobbitt502
jamesbobbitt502
15-11-2022
Mathematics
contestada
homework pls give answer
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What is the volume of a cone that has a radius of 4 cm and a height of 9 cm? Use 3.14 to approximate pi and express your answer in hundredths. cm3
Which half-reaction correctly represents reduction? (1) Mn4+ ==> Mn3+ + e- (2) Mn4+ ==>Mn7+ + 3e- (3) Mn4+ + e- ==>Mn3+ (4) Mn4+ + 3e- ==> Mn7+
Which compounds are classified as electrolytes?(1) alcohols (2) alkynes (3) organic acids (4) saturated hydrocarbons
Which is a property of most nonmetallic solids? (1) high thermal conductivity(2) high electrical conductivity(3) brittleness(4) malleability
Which conclusion is based on the “gold foil experiment” and the resulting model of the atom? (1) An atom is mainly empty space, and the nucleus has a positive c
Which two elements have the most similar chemical properties? (1) Be and Mg (3) Cl and Ar (2) Ca and Br (4) Na and P
Arsenic is often obtained by heating the ore arsenopyrite, FeAsS. The decomposition of FeAsS is represented by the balanced equation below. FeAsS(s) ==heat==>
In which compound is the percent by mass of oxygen greatest? A. BeO B. MgO C. CaO D. SrO
x^2-8x+5=0 Solve by completing the square.
Why was the continental congress unable to fix the economic crisis after the American revolution?
