Nguyên tử x có tổng số hạt là 52. Số hạt mang điện nhiều hơn số hạt không mang điện là 16. Tình số hạt mỗi loại và vẽ sơ đô cấu tạo nguyên tử x

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.

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.

Type the correct answer in each box.balance the chemical equation.__ n203 ➡️ __ n2 +__ o2