calcium hydride reacts with water to form hydrogen gas

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calcium hydride reacts with water to form hydrogen gas

What is the effect of doping silicon with Boron, and what is the effective charge in the material due to each dopant Boron site at room temperature?

if sec(θ)=9/10 and tan(θ) < 0 find sin(θ) that is my problem i believe the answer is -√19/10 but im not sure why the square root of 19 turned out negative. i know...

Find the intersection of the two sets of [1,5) 1 is included and 5 is not is set A and in set B : [4, infinity) where 4 is included

It costs $ 10 to go the movies and $ 3 for each bag of popcorn. Which equation relates the total cost (C) to the number of bags of popcorn purchased (P)?

A company that manufactures mountain bikes makes a daily profit p according to the equation p equals negative 100 x squared plus 4800 x minus 52 comma 124p=−100x2+4800x−52,124, where p is measured...

Consider the quadratic function y = ax^2 + bx + c, where a, b, and c are real numbers and a ≠ 0. Describe the nature of the discriminant, b^2 - 4ac, for the graphs of y = ax^2 +...

Class inter val 0-10 10-20 20-30 30-40 40-50 Frequency 5 8 X 16 6

The schools baseball diamond is a square with a side of 90 feet long. How many yards does a player who hits 3 homeruns have to run?

Suppose that the scores on particular FDMAT 108 unit exam at BYU-Idaho were normally distributed with a mean of 77 and a standard deviation of 8.

Use radical notation to rewrite the expression. Simplify, if possible. left parenthesis 5 xy Superscript 6 Baseline right parenthesis Superscript 1 divided by 75xy61/7

Stats, mult choice the answer is neg but I keep getting a pos answer

A sample of 5.50 mL of diethylether (C2H5OC2H5; density= 0.7134 g/mL) is introduced into a 6.50 -L vessel that already contains a mixture of N2 and O2, whose partial pressures are Pn2= 0.751 atm and...

trick question and good luck.

I just want approximate value of 3√1331 respective to √11=3.317

Name a multiplication fact that can help you with 8 x 4, and tell how.

I have the formula for population growth: Pe^rt, but I need to add immigration. For instance: I have a starting population of 90, a growth rate of 0.5% over 83 years. I need to factor 10 people immigrating...

The Krakow airport is 3 km west and 5 km north of the city center. At 1 pm, Zuza took off in a Cessna 730. Every six minutes, the plane’s position changed by 9 km east and 7 km north. At 2:30...

At the movie theatre, Mr. Smith bought his family 4 sodas and 3 popcorns for $27.25. Rick and his friends went to the same movie and they bought 5 sodas and 6 popcorns for $47.00. How much money does...

I've been having trouble with parentheses, please help!

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