two hypothetical ionic compounds are discovered with the chemical formulas xcl2 and ycl2, where x and y represent symbols of the imaginary elements. chemical analysis of the two compounds reveals that 0.25 mol xcl2 has a mass of 100.0 g and 0.50 mol ycl2 has a mass of 125.0 g.

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its