leeann

This page lists questions and answers that were posted by visitors named leeann.

Questions

The following questions were asked by visitors named leeann.

a door was 6ft10in tall and 2ft 11in wid. estmate the area of one of the door

3. In preschool, teachers who want to foster children's emotional development should focus on learning A. how to use discipline appropriately. B. how to help children develop appropriate emotional responses. C. what teachers should do when children act ou...

Teachers need to strengthen their powers of observation when assessing young children. Which one of the following statements about observing is correct? A. The more each of us knows about child development, the more different our observations of the same...

Which of the following is the most important reason for assessing young children? A. To prove the effectiveness of the program B. To comply with federal standards C. To evaluate children's development D. To qualify for federal funding

can you calculate the mass(g) of AL2O3 that is produced when 2.5g of aluminum and 2.5g of oxygen react according to this equation : 4Al(s)+3O2(g)->2Al2O3(s) im not understanding how to do this

Answers

The following answers were posted by visitors named leeann.

thank you. really appreciate it

thank you ms.sue

could you help me

how do i convert into mols?

for 02 i got 0.078125 im not really under standing what you want me to do for step 2? didn't i ustconvert them into mols?

OK were going to use 0.0521 because its smaller than 0.0463. so 0.0521/32?

wait sorry i got it thank you for being so patient with me

the answer is mass Al2O3 = 101.96 g/mol x 0.04633 moles = 4.72 g

78/3=26miles per gallons because if you multiply you get that answer

Fernando is going to draw a marble from the bag, replace it, and then draw another marble. What is the probability that Fernando will get a green or blue marble on the first draw and a pink on the second draw? (3 green, 4 yellow, 5 blue, 8 pink)

i think ms sue died