Perform the indicated calculation. You may use a calculator. Remember to round your answers according to the rules for significant figures. 25000 cm
x 500 cm
12,500,000 x 102 cm2
O 125.0 x 105 cm?
O 12,500,000 cm
O 0.00125 x 103 cm2
O 1 x 107 cm

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

Rays from the sun are not considered matter true or false