in a class of 40 students 32 offer maths 24 offer physics and 4 offer neither maths nor physics. how many offer both maths and phyics

One twelfth the mass of a carbon-12atom is used to define a.

4.8 kg of sulfur dioxide contains how many molecules?

Which substance can be described as cations bonded together by mobile electrons? A) Ag (s) B) S₈ (s) C) Kr (l) D) KCl (s) E) HCl (l)

What is the HONC 1234 rule

Why don't the chocolate chips melt when making cookies

A gas is collected in a 34.3L container at a temperature of 31.5°C. Later, the container has a volume of 29.2L, a temperature of 21.0°C and a pressure of 122.2kPa. What was the original pressure on the container?

What does it mean for a cell to be specialized?

A 7.20 L container holds a mixture of two gases at 29 °C. The partial pressures of gas A and gas B, respectively, are 0.179 atm and 0.749 atm. If 0.

Using activated charcoal to separate heavy metals from water is a process known as scrubbing. True or False

If 119.5 g of iron is mixed with 279.50 g of copper (II) nitrate, what is the limiting reagent for the reaction?