WILL GIVE BRAINLIEST 1- What volume of 0.200 M HCl solution is needed to neutralize 25.0 mL of 0.150 M NaOH solution?
2- What volume of 1.00 M NaOH is required to neutralize 35.0 mL of 0.220 M sulfuric acid, H2SO4?
3- What volume of 1.00 M NaOH is required to neutralize 0.0100 L of 0.143 M phosphoric acid, H3PO4?
4- What volume of 1.000 M Ca(OH)2 is needed to neutralize 45.0 mL of 0.400 M HCl?
5- What volume of 0.204 M H3PO4 can furnish the same number of moles of H+ ions as
61.2 mL of 0.800 M HCl?

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."

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