If the temperatures of separate 35 g samples of gold, mercury, and carbon are to be raised by 10.0°C. How much heat must be applied to each substance?

A 2-day-old newborn male is diagnosed with congenital lactic acidosis because of a defective electron transport protein.

Write the chemical equations for each of the reactions described below: 1) When aqueous beryllium chloride reacts with aqueous silver nitrate, aqueous beryllium nitrate and solid silver chloride form.

Ammonium hydroxide has the chemical formula NH4OH. Which statement is true about ammonium hydroxide?

Justine observed that the water level in a dish placed on the window sill decreased after a few days, and vapor formed. What best explains that she observed a physical change? Vapor can be easily condensed back to form water.

How many calories are required to raise the temperature of 75g of water from 20 ˚C to 50˚ C? A. 1.5x103 cal B. 2250 cal C. 2000 cal D. 75.0 cal

What are the major organic products are formed when the following compounds react with methylmagnesium bromide (CH3MgBr), followed by the addition of dilute acid? a) propanal b) propanone

This states tha from one object to other be created or destroyed. However, a charge can be transferred

A 33.69 g sample of a substance is initially at 29.4 °c. after absorbing 1623 j of heat, the temperature of the substance is 110.8 °c. what is the specific heat (sh) of the substance?

Element X and element Y have a difference in electronegativity of 1:2 will the bond XY be covalent or ionic

What is the empirical formula