A hot air balloon is filled with 250 L of air at 25°C the temperature of the air inside reaches 250°C what is the final volume of the air in the hot air balloon

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

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The identities of substances are the same before and after which type of change