Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

If the farmer plants the same crop in a field year after year the soil becomes less fertile what causes this decrease in fertility

Are the base pairs always the same?

Balance the redox reaction KMNO4 + NH3 - --> KNO3 + MNO2 + KOH + H2O

What is the molarity of 6 moles (mol) of NaCl dissolved in 2 L of water?

The acidity and basicity of a solution can be described by its ph. a solution is acidic if

What are some differences between insect larvae and worms?

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final temperature is 46.5°C. The specific heats of water and iron respectively, are 4.18 and 0.45 joules per gram times Celsius.

What type of overall charge, if any, does the balloon in Diagram B have? Explain how you determined your answer.

Move deep below the ocean's surface

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8