Which

2 continents have the most obvious fit of the coastlines.

subject science

To which classes of matter-element, compound, and/or mixture-do the following apply: (a) law of mass conservation; (b) law of definite composition; (c) law of murtiple proportions?

What is the maximum number of moles of carbon dioxide that can be produced by the reaction of 0.90 moles of carbon monoxide with 0.60 moles of oxygen?

What chemical would you mix with a fat or oil if you wanted to produce a liquid soap?

What is the mass number of an atom that contains 19 protons, 19 electrons, and 20 neutrons?

1-Which reaction shown below is carried out by nitrifying bacteria? I will mark you as brainlist Choose: A.{ammonium} to {nitrate} B.{nitrate} to {nitrogen gas} C.{nitrogen gas} to{ammonium}

1.87e3 m + 24 m + 5.43e-1 km + 1.561e2 km = km

Which 2 continents have the most obvious fit of the coastlines. subject science

A substance with a ph of 6 is called

56 Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties. 131

What must molecules do to react? a. Molecules must heat up b. Molecules must collide c. Molecules must expand to fill their container d. Molecules must interact with a catalyst