из 30г уксусной кислоты получена хлороуксусная кислота с практическим выходом 60% через эту кислоту пропущен аммиак обьемом в 72л. Расчитайте количество вещества аминоуксусной кислоты. (моль)

Раскройте скобки, употребив
глагол в нужной форме. Выберите правильную
форму глагола  Present Simple или Future Simple

 


If you (reduce) your price, we
(place) a big order with your company.

When the secretary (type) the
letters, she (send) them to the customers.

Our prices depend on the market
situation. If it (change) they (go up or down).

We (start) deliveries as soon
as we ( clear up ) delivery  dates .

They (show) the customer's
representatives round the office when the chief engineer (arrive).

We (go) to the test department
until you (invite) us.

Before you (buy) this equipment, you
(study) the terms of payment.

The engineers (get in touch) with
you as soon as they (arrive) in London.

If I (need) your help , I (ask)
you.

The contract (be) valid after
the director (sign) it.