Which group of elements is not usually reactive with any other elements? A. metals B. plastics C. metaloids D. noble gases

What was the original pressure in a rigid container if the new pressure is 82.5atm and the temperature was raised from 44C to 67C

Determine the theoretical yield of HCl if 60.0 g of BCl3 and 37.5 g of H2O are reacted according to the following balanced reaction. A possibly useful molar mass is BCl3 = 117.16 g/mol. BCl3 (g) + 3 H2O (l) → H3BO3 (s) + 3 HCl (g)

Suppose of potassium iodide is dissolved in of a aqueous solution of silver nitrate. Calculate the final molarity of potassium cation in the solution.

Suppose you have 300.0 mL of a 0.1000 M solution of a strong acid (HCl), and you add this to 100.0 mL of a 0.0200 M solution of a strong base (Ba (OH) 2). What is the new pH?

What might a physicit choose to study?

Which elements are likely to have a larger atomic radius than silicon (Si). aluminum (Al) carbon (C) sulfur (S) tin (Sn)

What volume of concentrated nitric acid (15.0 M) is requiredfor the preparationof 2.00 L of 0.001M nitric acid solution?

Which are NOT vascular seedless plants?

Consider this reaction: 2al (s) + 3 cucl2 (aq) → 2alcl3 (aq) + 3 cu (s) if the concentration of cucl2 drops from 1.000 m to 0.655 m in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

Which metal is most likely to be formed easily into thin sheets? o scandium o chromium O gold