Some compounds, like carbon dioxide, are gaseous at room temperature, while others are solid at room temperature. Why is this?

The part of the atom that accounts for electricity is the A. nucleus. B. proton. C. neutron. D. electron.

Identify the topics that are included in the science of geology

Students working in lab use 52.3g of CaCl2 to make a solution. When the solution is brought to a final volume of 800. mL, what is the concentration? A. 0.139 M B. 0.153 M C. 0.588 M D. 0.632 M

Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans to produce whipped cream. It is also a potent greenhouse gas. The decomposition of N2O is first order.

True or false parent material can only be made from sedimentary rocks

Select the correct answer. A man pours some hot coffee into a small cup from a large jug that contains enough coffee for several cups. Which statement correctly compares the coffee in the cup and in the jug? A.

Is sponge cake a heterogeneous mixture

Describe three skills people use to conduct scientific investigations

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?

Complete the acid-base reaction between butyric acid HC4H7O2 and potassium hydroxide KOH. Do not include phase designations for any of the reactants or products. Be sure to include the charge for any charged species.