How much significant figures does 147,320 have

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign