karleestiefel9053 karleestiefel9053

02-01-2023
Chemistry

Answered

An unknown element X has the following isotopes: 64x (49. 00%

abundant), 66x (28. 00% abundant), 68Xi(23. 00% abundant). What is

the average atomic mass in amu of X?

Answer :

Other Questions

Which list shows the phases of matter in order from the greatest average kinetic energy to the least average kinetic energy per particle? a substance has a ph

The student repeated the experiment with an unknown metal q instead of magnesium. all the other vanabies were kept the same. the student recorded a smaller temp

Step 9: Measuring the Volume of Air Near 100°C Use tongs to put the beaker (with tube and thermometer) on the hot plate, 1600 1500 600 ml 400 300 200 100 Temper

Part a in each case indicate whether the addition of an electron to the ion would increase or decrease the bond order of the species. > reset help b+ n2 2+ n

Please help me! Be sure to answer all parts. Rank the following measurements in order from smallest (1) to largest (6): Rank Measurement: 1. 0 x 10^-4 m 2. 0 x

Question 6 900 mL of water is added to 100 mL of a 0. 1 M solution. What is the new concentration? 0. 1M 0. 0001M 0. 001M 0. 01M

CL1 Gold, one of the most sought-after metals in the world, has a density of 19. 3 g/cm', a melting point of 1064 °C, and a spe- cific heat of 0. 129 J/g °C. A

3 What are examples of environmental pressures? Choose more than one answer. Food shortage Fewer predators Lack of water Loss of habitat Fewer competing specie

Calculate the total number of atoms and a total number of elements for the compounds listed. Bleach NaClO=3 atoms 3 elements Alka-Seltzer Chalk Marble Tylenol

An unknown metallic substance was collected during a chemical reaction. the sample of the unknown metal with a volume of 4.00 cm3 was then allowed to react with