How did the building of granaries indicate that Harappan civilization was economically strong?

Two teaspoons of salt are added to a glass of water which is then stirred until no more salt grains can be seen. Two more teaspoons are added and stirring is continued, but the salt grains are still evident in the glass and settle to the bottom.

Calculate the amount of heat (in kJ) released when 18.5 g or calcium hydroxide is formed. The molar mass of calcium hydroxide is 74.09g CaO (s) + H2O (I) - > Ca (OH) 2 (s) + 65.2 kJ A. 16.3 kJ B 260.8 kJ C 130.4 kJ D 4.18 kJ

Which of these statements about alloys and intermetallic compounds is false? Which of these statements about alloys and intermetallic compounds is false?

Which of the following is true about the compound MgBr2? Question 2 options: A magnesium atom gained 2 electrons, while two bromine atoms each lost 1 electron. A magnesium atom lost 2 electrons, while a bromine atom gained 2 electrons.

Why do you think it is so very difficult to have a direct collision between nuclei? Is it something to do with the size of the particles? Their charge?

Which part of the body does colchicine affect the most

Balance and identity the type of chemical reactions. Mg (s) + HNO3 (aq) - > H2 (g) + Mg (NO3) 2 (aq)

Which radioactive element is used to determine the absolute age of late pleistocene animal remains?

Compare the practical uses and limitations of nuclear fission and fusion. Include in your answer a detailed description of the two processes, comparing and contrasting them in terms of the types of atoms involved, the conditions needed to get the

Why can two igneous rocks have the same minerals but different names?