Please write your correct answer next to each sumber. 1. In the sum of 2.82 x 106 + 1.096 x 10 there are significant fig
Posted: Tue May 17, 2022 7:11 am
Please write your correct answer next to each sumber. 1. In the sum of 2.82 x 106 + 1.096 x 10 there are significant figures. (a) 3 (b) 4 (c) 5 (d) 6, (c) 17 Na 2. A chemical reaction that absorbs heat from its surroundings is termed as (a) exothermic. (b) caloric. (c) isothermal. (d) spontaneous. (e) endothermic. 3. The temperature on a cold day at Purdue was given as 12.0"F. The temperature approximately in Celsius was 12+32 1.8 (a)-1210C (b) 25.3C (c)-17.8°C (d) -11°C e) -36°C 4. Which of the following compounds is water insoluble? D) MgCl2 II) CuS III) K3PO4 IV) (NHALSO (a) II only (b) I, II, and III (C) I, II, and IV (d) I, III (e) I and II 5. 3oZn and 3wZw are examples of (a) isotopes. (b)cations. (c) allotropes. (d) anions. (e) resonance. 6. A given liquid occupies 445 mil and weighs 541 g. The density of this liquid is