depaze5190 depaze5190

02-01-2023
Chemistry

Answered

50 points answer (correctly) fast
a student reads a list of several measurements.

which measurements are used as evidence of the age of the universe?

a. 1 and 2

b. 2 and 3

c. 1, 2, and 3

d. 1, 2, and 4

Answer :

Other Questions

The following is a list of the electron distributions of atoms of unknown elements element electron distribution a 2,5 b 2,8,4 b c 2,8,8,2 d 2,8,18,8 e 2,8,18,8

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 1

A 0. 981 liter sample of nh3 is decomposed to produce how many grams of hydrogen gas? 0. 0133 g 3. 03 g 0. 0590 g 0. 0325 g

Indicate which categories apply to cobalt. Check all that apply. metal nonmetal transition element main group element noble gas

John analyzes all the known compounds of carbon and oxygen. He finds and writes down a ___ that says the ratio of masses of carbon that combine with 100 g of ox

What volume (in L) of water vapor will be produced from the reaction of 4. 95 L of ethane (C2He)? 2C2H6(g) + 702(9) — 4CO2(g) + 6H2O(g)

Unit: Chemical Quantities "Molar Mass - 2 step" - Wksh #3 Directions: Use dimensional analysis to perform the following calculations. Show all work, (K and U) i

Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP? 1. 18 moles of Ar(g) 2. 18 liters of Ar(g) 3. 18 grams of H2O(g) 4. 18 millimeter

Which process involves informal investigations done by native peoples as they use nature to meet their needs? a. trial and error b. reverse engineering c. nativ

. a group of students are studying rocks in their science class. they are trying to identify a rock that has black and white foliated (wavy) stripes. student