Which of these has the most impact on the apparent brightness of a star seen from Earth? Gravitational pull, temperature of star, distance from earth, earths orbital pattern

What some advantages of using concrete?

Who is the father of chemistry?

A wave has a period of 5.0 s. What is its frequency?

The recommended calcium intake for teenagers is 1300mg per day. A glass of milk contains 305mg of calcium. One glass contains a volume of 8 fluid ounces.

If 1 calorie = 4.18 kj, how many kj of energy can be released by an apple containing 125 Cal?

Youll get brainliest if you have it right! How much heat does 225 g of water gain when its temperature rises from 25%C to 32°C? A. 6.59kj B. 21.65 kj C. 0.376kj D. 30.12kj

Explain hydrocarbons as fue

How many grams of K2CO3 are needed to prepare a 400.0 mL of a 4.25M solution? 1.7 g 235 g 81.3 g 138 g

A student titrates an unknown amount of potassium hydrogen phthalate (khc8h4o4, abbreviated khp) with 20.46 ml of 0.1000 m naoh solution. khp has one acidic hydrogen. what mass (in grams) of khp was titrated by the sodium hydroxide solution?

Name these Ionic Compounds a. LiCl b. NaCl c. KBr