Chemistry, 03.09.2021 01:00, tamariarodrigiez
Three samples of iron with masses of 1.12 grams, 1.8 grams, and 1.562
grams were mixed together. The combined mass of the three samples,
expressed to the correct number of significant figures is
A) 4.4 grams
B) 4.48 grams
C) 4.5 grams
Need answer quickly
Answers: 1
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Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral. a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic
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Chemistry, 23.06.2019 02:00, xbeatdroperzx
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
Answers: 2
Three samples of iron with masses of 1.12 grams, 1.8 grams, and 1.562
grams were mixed together. T...
Mathematics, 07.03.2020 02:31