Chemistry, 22.09.2021 16:30 littledudefromacross
Một nguyên tử của một nguyên tố có tổng số hạt là 13. Vậy nguyên tử đó có số proton là ?
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
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Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
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Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
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Một nguyên tử của một nguyên tố có tổng số hạt là 13. Vậy nguyên tử đó có số proton là ?...
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