In group 14 which is a metalloid

In a laboratory where the air is 22oC, a steel cylinder at 100. oC is submerged in water at 40. oC. In this system, heat flow from (1) both the air and the water to the cylinder (2) both the cylinder and the air to the water (3) the air to the water

Convert 1.75 * 1024 atoms of carbon to moles of carbon.

How many grams are there in 7.5 X10^23 molecules of H2SO4?

Use the reaction: 2AgNO3 (aq) + H2SO4 (aq) → Ag2SO4 (s) + 2H2O (l) What volume of 0.123 M AgNO3 (aq) is needed to form 0.657 g of Ag2SO4 (s) ? (A) 53.4 mL (B) 10.7 mL (C) 17.1 mL (D) 34.2 L (E) 34.2 mL

How many total atoms are in 0.260 g of P2O5?

Do substances have to be cold to freeze?

Which statement is true of the carbon atoms that make up a diamond? A. They can slip past one another slowly. B. They are always vibrating in place. C. They vibrate only when they are heated. D. They are locked in place and do not move at all.

A 48.3 mL sample of gas in a cylinder is warmed from 22 C, 87 C to 0.0 C what is the final temperature

Titration of 25.00 ml of an unknown hcl solution with 0.1550 m naoh starts at a buret reading for naoh of 0.33 ml. the phenolphthalein indicator turns light pink in the acid solution for over 30 seconds at a buret reading of 24.19 ml.

To what volume should you dilute 70 mL of a 10.0 MH2SO4 solution to obtain a 1.70 MH2SO4 solution?