raymond chang저 8판 일반화학
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(c) Physical change. The orange juice concentrate can be regenerated by evaporation of the water.
참고하시고 틀린것 없는지 확실히 확인해주세요.
excellence.
순서
quantitative statement.
레포트 > 공학,기술계열
composition.
composition.
(different composition).
(d) Physical property. The measurement of the densities of lead and aluminum does not change their
다.
raymond_chang_8판_일반화학_soution 입니다. (c) Qualitative. If the numerical values for the densities of ice and water were given, it would be a
substances.
1.16 (a) homogeneous mixture (b) element (c) compound
Mg, magnesium; U, uranium; Al, aluminum; Si, silicon; Ne, neon.
(d) homogeneous mixture (e) heterogeneous mixture (f) homogeneous mixture
(d) Chemical change. Photosynthesis changes water, carbon dioxide, etc., into complex organic matter.
(b) Qualitative. This is a value judgment. There is no numerical scale of measurement for artistic
다운 받으시기전에 한번 확인하시고 일치할시 다운받아주세요.
솔루션
1.13 Li, lithium; F, fluorine; P, phosphorus; Cu, copper; As, arsenic; Zn, zinc; Cl, chlorine; Pt, platinum;
설명
(e) Chemical property. When uranium undergoes nuclear decay, the products are chemically different
(c) Physical property. The measurement of the boiling point of water does not change its identity or
(e) Physical change. The salt can be recovered unchanged by evaporation.
1.12 (a) Physical change. The helium isnt changed in any way by leaking out of the balloon.
(b) Chemical change in the battery.
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1.14 (a) K (b) Sn (c) Cr (d) B (e) Ba
1.15 (a) element (b) compound (c) element (d) compound
raymond_chang_8판_일반화학_soution 입니다. 참고하시고 틀린것 없는지 확실히 확인해주세요.
raymond chang저 8판 일반화학
1.3 (a) Quantitative. This statement clearly involves a measurable distance.
(e) Qualitative. Even though numbers are involved, they are not the result of measurement.
(b) Chemical property. The fertilizer is consumed by the growing plants; it is turned into vegetable matter
1.4 (a) hypothesis (b) law (c) theory
1.11 (a) Chemical property. Oxygen gas is consumed in a combustion reaction; its composition and identity are
(d) Qualitative. Another value judgment.
(f) Pu (g) S (h) Ar (i) Hg
changed.
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