Will mark as Brainliest.

Which of the following is an exothermic reaction?

melting ice

dissolving ammonium nitrate in water to cool the water

dissolving sugar in water

condensation

The symbol for one of the elements is derived from its German name, wolfram. What is the English name for this element?

Which substance below has the greatest mass? 1 mole of silver 1 mole of copper 1 mole of lead 1 mol of tungsten

5. How are the empirical and molecular formulas for a compound related? A An empirical formula is sometimes a multiple of the molecular formula. Ba molecular formula is always the same as an empirical formula.

What is the difference between a universal law and a scientific theory? options: A) Universal laws change as new evidence comes to light. Scientific theories never change. B) Scientific theories apply everywhere all the time. Universal laws do not.

If an endothermic reaction absorbs heat, then why does it feel cold to the touch?

Which of the following is the major advantage of using geothermal energy instead of using coal energy? Choice: You will get a brainliest! If your correct! A. More abundant than coal B. Easier to access than coal C. Releases less carbon dioxide D.

What is berylliums energy levels

What is the SI base unit of temperature? Celsius kelvin coulomb Fahrenheit

What property of an object is expressed by the measurement of an item's mass per unit volume? A. density B. viscosity C. surface tension D. buoyancy

Which type of wave cannot move without a medium in which to travel? Heat waves Light waves Sound waves Transverse waves